825 is 10. 11) 2 / 2 = 135775. 8 million pounds of forward-moving force to release in the event of a collision. 8 million pounds of force to release in a crash. 1 pound-force is the gravitational force exerted by the Earth on a mass of 1 pound. Question. Step 2: Insert the boat's displacement, D = 6800 lbs. Example #2. Asked 9/24/2021 6:27:57 PM. 8 second, hits 60 mph in 2. Moving with the speed 60 mph, the train spends hours another way (but the same distance). e. Let "d" be the distance from Chicago. 25 m/s and an average velocity of -2. 40 mph (1609 meters/ 1 mile)(1 hour/3600 sec. Car A is traveling at a speed of 61 mph and is increasing its speed 0. Hint: Friction force has two components: along the t-axis and n-axis 100 ft Ans: (a)max22. TRUE. We need to convert miles per hour into meters per second as this formula, KE = 1/2mV^2, needs to use meters per second. How far does the car travel in slowing to a stop? How many seconds does it take for the car to stop? The car we'll use is the Mercedes W10 Formula One car, with a peak horsepower of around 975 hp and a weight of 1638 lb (743 kg). 1 sec Top Gear, 50–70 mph: 4. 0. Sports & Hobbies. 89 m/s) has the SAME MOMENTUM as a 4,000-pound (1,800 kg) sport utility vehicle traveling 40 mph (18 m/s). 8 million pounds of force released in a crash. 8 million pounds of force to release in an impact so the answer is 1508 million pounds of force. Road ConditionsTypical g-forces in a motor-vehicle collision. 4667 feet per second. v = velocity. Any average-sized vehicle can easily weigh over 3,000 pounds. 2 , and (b) the work done in stretching the wire, in ft # lb. You can convert pounds*miles^2/hour^2 into Joules by simply converting all the units; kilograms into pounds, miles^2 into meters^2, etc. For example, the average risk of severe injury or death for a 70‐year old pedestrian struck by a car traveling at 25 mph is similar to the risk for a 30‐year. Enter the car's speed in either miles or kilometers per hour and the stopping distance. 125 hp for every pound of car. I know it seems weird, but don't include the weight of the driver either. ” Your quarter-mile elapsed time increases to 16. S. e. 2 kg momentum = 12166 kg*m/s. driving head-on into the Vehicle Research Center’s 320,000 pound. A 3000 lb car is traveling over a rough road as shown. 1 millisievert to microsievert? How many horizontal faces does a cube have? Which of the steps come first for solving. 1 mile per hour = 1. If the box is displaced by 6 meters, the amount of work done on the box is. Assuming that the entire swarm sticks to the truck, the mass of each mosquito is 2 mg, and. According to a post on CDL Life News, an online trucking resource site:. In the field RPM, the calculator will tell you your new RPM at 60 mph in 3rd gear (3318 rpm). Even at 70 mph, your. In a staged skid test, a 3000 -pound automobile traveling 40 mph brakes to a stop in 70 feet on a level surface (with all tires braking). of diesel fuel over a decade. 0 m? Example : Spinning in a Circle An energetic father places his 20 kg child in a 5. 70 g after the brakes are applied. MPH stands for miles per hour, which means just that; how many miles you can travel per hour. Traveling at 65 miles per hour (mph) instead of 55 mph can consume almost 20% more fuel. Question: Question 14 options: A 3000-lb passenger car is travelling at 64 mph on a level section of the highway. Crash force is equal to your body weight multiplied by the speed of the vehicle. 1 mile per hour = 1. Example 4: A 3,000-lb car is traveling at 10 mi/h on a roadway with level grade covered with hard-packed snow. 11 m/s. 60 to the left. 99 for a one time purchase. Question: 2. How far does the car travel in slowing to a stop? How many seconds does it take for the car to stop First we convert the values in ft per second and ft per second2. The Lightning's towing capacity ranges from 5,000 pounds up to 10,000 pounds. If you drop an object from 15 feet. 0 mph is stopped by a spring with a spring constant of 50,000 N/m. The force is in- creased linearly from initially zero to 2500 lb, and the length of the wire increases by 0. But on average, an electric car can travel quite a distance at 70 mph. What is weight?. 0. Reasoning: Work = force x distance. About us. 002378 slugs/ft3. A typical tractor-trailer or other large truck can weigh as much as 80,000 pounds by law. The car can be modeled as a SDOF with a stiffness of 30,000 lb/ft and a damping ratio of. wet brakes. 877 meters per sec. 75 feet b. A) a 3,000- lb car engine develops a useful output power of 40 hp when traveling at 60 mph (88 ft/s) on a level road. Typical adjusting values are 85 percent for cars, 70 percent for motorcycles, and 100 percent for trucks. To hit the big number, you'll need an XLT or Lariat trim with the optional extended-range battery, and the Max Trailer. Q&A. how far. A 3000 pound car traveling 70 mph New. Determine the maximum deceleration the car can have to stay on the circular path if the total friction force from all tires is limited to 2400 lb. Or, your body, unrestrained in the vehicle, could hit the windshield with about 16,000 foot. A car weighing 3000 lb, traveling at 60 mph, decelerates at 0. A car weighing 3000 lb is traveling at a constant speed of 60 mph as shown below. 7 lb, and curve resistance of 302. speed. 8 million. f. It is unlikely that all the cars and trucks involved in a collision will travel at precisely the same speed, for example, that all three cars in an accident were moving at exactly 30 mph at the time of the crash. Determine the ground reaction forces on the front and rear wheels as well as the car acceleration (use Appendix. According to Newton’s second law of motion, a 3,000-pound vehicle traveling at 70 miles per hour has approximately 15. What is the fastest acceleration a human can survive? A typical person can handle about 5 g 0 (49 m/s 2) (meaning some people might pass out. /sec x 1/0. 1/16 inch c. The center of gravity (CG) and the center of aerodynamic pressure (CP) are located as shown. In 2012, Austrian Felix. ) Show transcribed image text. 1/4 inch d. ) = 17. increases. Step 3: Choose the Crouch constant, C from the list for hydroplanes, i. A three thousand-pound car traveling at 70 mph has 15. ; 9049. Final answer. A 700000 g roller coaster car traveling at 70mph is stopped by a spring with a spring constant of 50,000 N/m. You are traveling down the interstate at 75 mph in a 3600 lbf car. 70 g after the brakes are applied. 9 seconds to travel one kilometer, or 4. The angle of refraction of a ray of light traveling into an ice cube from air is 46∘. So the force on this hypothetical car at 60 mph is approximately 60 pounds. , Which has greater kinetic energy, a car traveling at 30 km/h or a half-as-massive car traveling at 60 km/h? The 60 km/h car Both have the same kinetic energy. Weight of the car, W = mg = 2600 pound. 15) A 100-kg box is pushed with a force of 35 lb. It vibrates in a vertical direction while traveling at 55mph on a rough road having a sinusoidal waveform with an amplitude Y ft and a wavelength of 12ft. The log B is traveling at 12 mph in the opposite direction of the truck. Use a safety factor and call it 100 pounds . How far does the car travel in slowing to a stop?. 58 m/s. 8 m/s 2. That is probably what you mean, so your answer is 224. ) FALSE . The 30 km/h car, Suppose a moving car has 3000 J of kinetic energy. 1/32 inch b. We would like to show you a description here but the site won’t allow us. The force of impact is what can kill in a motor vehicle collision. severe impact. 3 million pounds of force. The average risk of death for a pedestrian reaches 10% at an impact speed of 23 mph, 25% at 32 mph, 50% at 42 mph, 75% at 50 mph, and 90% at 58 mph. Horsepower Definition. Distance 2. Trains carrying freight are currently allowed to travel at speeds of up to 70 mph or 80 mph, but unloaded many trains generally only travel from 40-50 mph, according to FRA researchers. ) Show transcribed image text. lbs/sec or 33,000 ft. Note: The results you obtain from these calculators are just guestimations, though. 5 seconds to decellerate to zero fps (1/0. If conditions are so bad that you cannot see the road ahead, _____. 1 hp = 550 ft. Plow the same car into a tree at 40 mph and the amount of energy. It would take less than a half hour to travel 30 miles at 70 miles per hour. The force generated by a crash depends on several factors, such as the mass of the. 25Determine the average rate of change in braking distance, in ft/mph, between one car traveling at 50 mph and onetraveling at 70 mph. 9,900. Therefore, your quarter-mile elapsed time for a 500-pound car with 85 horsepower and a constant of 5. 89 m/s) has the SAME MOMENTUM as a 4,000-pound (1,800 kg) sport utility vehicle traveling 40 mph (18 m/s). Also, trailers cannot travel faster than 70 mph on rural interstates. BMW’s rear-wheel-drive X5 sDrive40i is also rated to. (10 pts)Gerrice is mixing nuts and cereal squares to make her famous party mix. It took him 25 minutes on the way to work and 35 minutes on. 5 ˛ 104 kgoem/s C) 7. 7g, produces the entire braking force. Calculate an estimated 0-60 mph time by entering horsepower, curb weight, drive type, and transmission. 35, Af = 21 ft2, W = 3000 lb, ? = 0. 2 feet above the pavement and 5. Additionally, the braking distance of a fully-loaded semi-truck increases at the rate of four times as it picks up speed. 30, fully charging a Tesla costs an. b. The engines of these machines generate 17-24 HP, which ensures a top speed of 4-6 mph. • At 20 mph, the average vehicle will travel an additional 18 feet after the brakes are applied for a total stopping distance of 62 feet • At 50 mph, the vehicle will travel an additional 111 feet for a total stopping distance of 221 feet • At 80 mph, the vehicle will travel an additional 284 feet for a total stopping distance of 460 feetA 3,000 pound car traveling at 70 MPH has 15. Search for an answer or ask Weegy. Examples include mm, inch, 70 kg, 150 lbs, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles. Now work = 154 x 6 = 924 J. If the same log hits a small car C weighing 3000 lb and. See Answer. Do two tables: one at 60 mph and one at 70 mph. 225 ≈ 266. Along with values, enter the known units of measure for each and this. The figure shows a graph of d = 2. 5 seconds. Sarah is driving down the highway at 70 mph. 1/32 inch b. the acceleration of the object. b. Since 1 lb = 4. arrow right Explore similar answers messages Talk to an Expert about this answer Advertisement Still have questions? Find more answers plus Ask your question You might be interested in verified You can use this stopping distance calculator to find out how far your car travels in that time, depending on your speed, the slope of the road, and weather conditions. . For instance, if you cross over from Alabama to Mississippi, you could suddenly be exceeding the maximum towing speed, which falls 10 mph (16 kph). 3 Joules or 135. An 80,000 lb truck A is traveling at 70 mph when it encounters a wood log B. 0 ˛ 102 kgoem/s C) 2. 002045 slugs/ft^3) on a paved surface. The calculator can use any two of the values to calculate the third. This number changes with the weight of the truck. The log B is traveling at 12 mph in the opposite direction of the truck. The force from air resistance is F d and acts at the center of aerodynamic pressure (CP) as shown. Calculate. mph Calculator. Study with Quizlet and memorize flashcards containing terms like At 60 mph, on dry pavement, the vehicle-braking distance for a 3000 pound vehicle to come to a stop is a. Question: SS 1. Who are the experts? Experts are tested by Chegg as specialists in their subject area. 5 seconds and through the quarter-mile in 11. Find step-by-step Engineering solutions and your answer to the following textbook question: Consider a 3000 lb car whose speed is increased by 30 mph. 8 million pounds of force to release in a crash. Assume that you apply your brakesDifference: -10. You are given W = 3000 lbs = mass of car * g and V = 60 mph. The study showed that headwinds with wind speeds up to 115 miles per hour do not tip over vehicles. A 3000 pound car traveling at 70 mph has 15. 40 m/s, and the truck westward at 9. 149 miles per hour. It is struck from behind by a 1000-pound car, driven by a late-for-class professor, traveling at 75 mph. Using the first kinetic energy equation above, replace the values for m and v and get KE = 2200 · (11. 8 million pounds of force to release in a crash. Also, with multiple impacts, the people inside the cars can suffer more severe personal injuries. 5 MILLION foot-pounds of force. So, if you’re driving at 65 mph, your vehicle will travel 71 feet before you realize you need to start braking. However, the results are much different across the 115 miles per hour mark. Determine the speed of the car A. A 3,000 Pound Car Traveling At 70 Mph Has 15. 9 seconds at 117 mph—numbers that are almost dead-on with the new M2's. How many million pounds of force release in a crash has a 3000 pound car travelling at 70 mph? Wiki User. Keep in mind that our calculator does NOT take into account drive train loss, road and weather conditions, or the skill of the driver. 75 feet b. Question 150300: The force needed to keep a car from skidding on a curve varies jointly as the weight of the car and the square of the car's speed, and inversely as the radius of the curve. Video Answer. 3. Despite the fact that this can range from $9. TRUE. 8 Part A The automobile has a weight of 3300 lb and is traveling forward at 4 ft/s when it crashes into the wall. Quick List: Best 60-70 MPH Electric Scooters. It's still energy, though, and still uses the same formula. 21m + 75m. 2 seconds duration, and you get F to be, F = = 93870 N = 21103 lb's. 6 feet, plus a reaction time of either 88 feet for a second delay in reaction time, or 176 feet for two seconds reaction time. Mechanical Engineering questions and answers. From table (2. If you input the mass in pounds and miles per hour, you will get pounds * miles^2/hour^2 out of it. 1 inch, _____ reduces traction even more than rain. SteamKing said: When traveling on level roads at constant speed, most passenger cars need only about 20 hp or so to overcome rolling friction and air drag. A 3,000 pound car traveling at 70 mph has 15. e. Question: 22. m. The C. ISBN: 9781133104261. For example, 1 mile per hour can be written as 1 mph, 1 mi/h, or 1 MPH. A 3,000 pound car traveling at 70 mph has _____ million pounds of force to release in an impact. About us. The driver of a 3,000-pound car, moving at 40 mph, applies increasing force on the brake pedal. 181 seconds. . KE. how many g's in a car crash, loose objects flying around in your car during a collision cannot harm you, in a collision, the second collision is when, falling asleep at the wheel is fatal in 87% of collisions, crash data reveals collisions involving fire water represent, which of the following are provisions that are used to help protect vulnerable road users, 75 of death. Measuring the rpm and torque of the engine indicates that the car requires 16 HP to travel at this speed. To cruise at 70 mpg (in second) I would need a little over 3500 rpm, which might get a little noisy. Added 9/24/2021 7:16:49 PM. The R1T's Pirelli Scorpion All Terrain Plus tires are rated to 130 mph. 62 to $18. 1/4 inch d. the mass of the object. The swarm is traveling at 1 mph in the opposite direction of the truck. Example 2: A ball which weighs 500 grams has a kinetic energy of 500 J. 78 miles/min: 48 mph: 0. The Momentum Calculator uses the formula p=mv, or momentum (p) is equal to mass (m) times velocity (v). 000-kg truck is traveling at 20 m/s. It produces an air resistance of 92. Taking into account the driver's weight (let's use Lewis Hamilton, who. 1. A 3000 pound car traveling at 70 mph has 15. (Correct Answer Below) Reveal the answer to this question whenever you are ready. Step 1 of 4. Updated 9/24/2021 7:16:49 PM. To reduce wear and tear to the engine and ensure you get maximum fuel efficiency, it’s best to stay in the 2000-3000 RPM range when driving on a highway at 60-70 mph. Plugging these numbers into Huntington's equations gives: You'll get a detailed solution from a subject matter expert that helps you learn core concepts. A 3,000 pound car traveling at 70 mph has 15. The driver brakes to try to avoid hitting stopped traffic that is 250 ft ahead. The expression for kinetic energy KE of an object of mass m moving with a speed v is given as follows: From table (2. 5-5 mph/HP) Small motorcycles: 3-45 HP = 30-120 mph (3-10 mph/HP) It’s no surprise that the slowest vehicles are utility machines like riding lawnmowers. VIDEO ANSWER: The key to this problems understand that the acceleration is the most important thing and I like the deceleration makes it negative 20 because the velocity, the derivative of velocity excuse me, is eqSpeed limits on U. How do you determine how hard something hits the ground? Multiply the height by the object’s acceleration due to gravity. Explain what this rate of change means as it relates to braking. G. Obviously actual stopping distances will vary considerably depending on condition of the road and car as well as the alertness of the driver. The energy possessed by an object by its motion is known as kinetic energy. A 3-unit increase in horsepower per 100 pounds of vehicle weight was associated with a 38 percent increase in the likelihood of a vehicle exceeding the speed limit by more than 10 mph, a 7. Question: An 80,000 lb semitruck A (the maximum weight allowed in many state) is traveling at 70 mph when it encounters a swarm of mosquitoes B. How much force does a 3000 pound car traveling 70 mph have? How much force at 70mph? How much kinetic energy does a car have? How do you find the speed of a car. The average car driving at 20 mph will travel 20 feet before coming to a complete stop, however a car travelling at 40 mph will take 80 ft to come to a stop – that’s why it’s SO important not to exceed the speed limit. Updated 9/24/2021 7:16:49 PM. 1 seconds, and dispatches the quarter-mile in 9. Added 9/24/2021 7:16:49 PM. Asked 9/24/2021 6:27:57 PM. 100 feet c. 2 kg momentum = 12166 kg*m/s. So, if your car only makes 180 HP, you won't be able to get to 150 MPH. 1 Answer/Comment. Calculate the superelevation angle that would have to exist so that no lateral friction force would act on the tires. 67 G8% less efficient at 65 MPH (105 km/h) 17% less efficient at 70 MPH (113 km/h) 23% less efficient at 75 MPH (121 km/h) 28% less efficient at 80 MPH (129 km/h). 8 Million Pounds Of Force To Release In A Crash. 41 m/s * 907. decreases. A 3,000 pound vehicle traveling at 60 mph will require about 300 to 500 feet to stop. A 3,000 pound car traveling at 70 mph has _____ million pounds of force to release in an impact. 0 sec Top Gear, 30–50 mph: 3. m = mass. 80 miles/min: 49 mph: 0. If the same log hits a small car C. 8 million pounds of force to release in a crash. Physics. ∙ 2016-06-10 17:27:02. f. Log in for more information. 8 million pounds of forward-moving force to release in the event of a collision. Stopping Distances for Dry Pavement/Road 1 . Note that nylon straps can absorb large amounts of energy by stretching; this is why sailors on boats. 28ms^-1 North (b) approx 54. In the field Transmission ratio, enter your (already computed) transmission ratio (3. Speed of the car, v = 40 mph. Here’s the best way to solve it. The car uses 0. Log in for more information. Click “Calculate. Rolling Start, 5–60 mph: 6. 8 million pounds of force to release in an impact. True/False. A typical tractor-trailer or other large truck can weigh as much as 80,000 pounds by law. A passenger vehicle weighing 4,000 pounds, traveling under ideal conditions at a speed of 65 miles per hour would take 316 feet to stop (nearly the length of a football field). Paul. Q&A. 225 to obtain the corresponding G force value. 70 g. Compute: a) the tangential velocities at points A, B and C (ft/s); A 3000-lbm car is traveling at 60 mi/hr on the straight portion of the road (i. Now if a car hit you on. The vehicle’s wheelbase is 10 feet. The amount of distance you need to stop the car increases with speed. Before you get a chance to pass, the semi slams on its brakes that have a braking force of 30,000 lbf. A 60-kg student traveling in a car with a constant velocity has a kinetic energy of 1. Explanation: When a car is traveling at 70 mph, it covers a significant distance before it can come to a full stop. Enter 4,000 in the "mass" box and choose pounds from its menu. 39. Here's a real-world example; a loaded semi traveling at 60 mph develops about 6. There are 2. 3 Joules or 135. k = 0. This answer has been confirmed as correct and helpful. (Figure 1) Assuming the brakes are not applied, determine the average impulsive force acting on the car. Enter the car's speed in either miles or kilometers per hour and the stopping distance. 600 kg. (center of gravity) of the test vehicle is 3. While traveling north on an expressway, a car traveling 60 mph (miles per hour) slows down to 30 mph in 12 minutes due to traffic conditions. A 3,000 pound car traveling at 70 mph has 15. At noon, when car A reaches the intersection, car B is 90 miles away, and moving toward the intersection. 26 pounds-force in 1kN. Assuming your spotlight and support is 1 square foot in exposed frontal area, that's only about 40 pounds of force. Get an answer. Show mathematically why an 80,000-pound (36,000 kg) big rig traveling 2 mph (0. 0006 lbf, estimate how many dragonflies must have hit the truck if it slows down by 2 mph on impact. A truck with an 80,000 pounds load isn't going to stop at the same distance as an empty truck. asked in Jobs & Employment by voice (257k points) jobs-n-employment; education; guide; car; ahead-travelling; force-release; impact; 1 answer. , just before A), and then its speed is reduced uniformly from A to C, at which point it comes to rest. Ways to figure out the driving time:This problem is easily solved using ratios:Traveling at 70 MPH = 70 miles / h = 70. And it's draining the velocity of 45 mph. 46 seconds to travel the ¼ mile and its top speed (called "trap speed") will be 108. 225. 92 miles/min: 56 mph: 0.