So, if your car only makes 180 HP, you won't be able to get to 150 MPH. 2300 lb's 1043 kg (mass of car) 40 mph 18 m/s (mps) (velocity of car) We can just estimate t to be . Select a wire length and use it to determine (a) the normal stress, in lb/in. by how much does the spring…. Expert-verified. The number of RPMs your car should be at depends on its speed. 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. Texas. Before you get a chance to pass, the semi slams on its brakes that have a braking force of 30,000 lbf. 2 kg momentum = 12166 kg*m/s. A human can run, in this case, 40 yards in 4 seconds. Step 1 of 4. . 225. A 3,000 pound car traveling at 70 mph has _____ million pounds of force to release in an impact. 200 mi (1056 ft). Touching 180 miles per hour, any stationary or in-motion vehicle has an increased chance of. A 3000 − lb passenger vehicle originally traveling on a straight and level road gets onto a section of the road with a horizontal curve of radius = 850 f. F =. Civil Engineering questions and answers. Calculate HP For A Given. Or, your body, unrestrained in the vehicle, could hit the windshield with about 16,000 foot. 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. Mechanical Engineering questions and answers. If a force of 3600 pounds is needed to keep an 1800 pound car traveling at 20 mph from skidding on a curve of radius 600 feet what force would be required to keep the. A 60-kg student traveling in a car with a constant velocity has a kinetic energy of 1. 7753 kiloJoules. The car can be modeled as a SDOF with a stiffness of 30,000 lb/ft and a damping ratio of. The specific formula for converting MPH to G force is: G Force = Speed (MPH) / 0. New answers. m = mass. Air Drag Coefficients and Frontal Area Calculation. of diesel fuel over a decade. 4 newtons, thus 35 lb = 35 x 4. A fully-loaded semi-truck traveling at 65 miles per hour would need the stopping distance of about 525 feet. 8 million pounds of force to release in a crash. Get the Correct ANSWER. A 3000 pound car traveling at 70 mph has 15. That is probably what you mean, so your answer is 224. 6. 23 N. 5 x 4 = 10 minutes. Stopping a 6781-pound Ram 1500 TRX from 100 mph causes enough brake fade to bring its stopping distance to 40 feet beyond double its 70-mph result. Determine the speed of the car A. I know it seems weird, but don't include the weight of the driver either. Before the collision, the car was traveling southward at 1. Rolling Start, 5–60 mph: 6. 8 million pounds of force to release in a crash. v = velocity. 405,838 ft-lb. If the vehicle was originally traveling at 55 mi / h, determine (a) the additional horsepower on the curve the vehicle must produce to maintain the original speed, (b) the total resistance force on the vehicle as it. 4. Ice b. If parts are replaced when you have work done on your vehicle, _____. Determine the force applied to slow the car. A car is traveling on a paved road with CD = 0. 40 mph (1609 meters/ 1 mile)(1 hour/3600 sec. 25Determine the average rate of change in braking distance, in ft/mph, between one car traveling at 50 mph and onetraveling at 70 mph. 08975 lbs/(mph). Radius of the curve, r = 750 ft. How to calculate the impact force acting on a driver with a mass of 70 k g 70 mathrm{kg} 70 kg? Let's use our car crash calculator! Let's use our car crash calculator! If the initial car speed is 30 k m / h 30 mathrm{km/h} 30 km/h and the collision distance is. calculate the kinetic energy of a car that weighs 3,000 lb and is traveling with a velocity of 45mph. Miles per hour can be abbreviated as mph, and are also sometimes abbreviated as mi/h or MPH. 75% (4 ratings) for this solution. 2 kg 30 mph = 13. Since 1 lb = 4. 8 million pounds of force to release in a crash. or full names for units of length, area, mass, pressure, and other types. Step 1. The weight of the car acts through the center of gravity (CG). 1 Hour The car and truck are moving with uniform velocities. 06 s. 2 kg 30 mph = 13. Expert answer from Brainly: If a 3,000-pound car traveling at 70. Q&A. e. 94,332 ft-lb b. 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. 0A 3,000 pound car traveling at 70 MPH has 15. So, if you’re driving at 65 mph, your vehicle will travel 71 feet before you realize you need to start braking. 200 feet, The minimum legal tread depth for the tires on your vehicle is a. Miles. Who are the experts? Experts are tested by Chegg as specialists in their subject area. At InsideEVs, we drive every EV at a constant 70 mph until the battery dies. The new Wheel RPM (831 rpm) is lower than the old one (877 rpm). 14,520. Similarly, in the time it takes the slower car to stop, the faster car won’t have even slowed to 70. If the car. The driver slowly increases the vehicle speed until he is no longer able to keep both wheel pairs straddling the line. 46 seconds to travel the ¼ mile and its top speed (called "trap speed") will be 108. To determine how far the vehicle will travel while braking, use the formula of 1/2 the initial velocity multiplied by the time required to stop. What is the speedometer reading of the car in km/h? A 500-kg dragster accelerates from rest to a final speed of 110 m/s in 400 m (about a quarter of a mile) and encounters an average frictional force of 1200 N. 200 x 6160/33,000 = 37. 2:10 minus 10 minutes leaves 2 hours of travel time. How long will it take Deshaun to reach Elizabeth. Engineering. 0 A 3,000 pound car traveling at 70 MPH has 15. Updated 9/24/2021 7:16:49 PM. After 65 seconds , the cars will both be traveling at 20 mph B. 8 million pounds of force to release in a crash. Study with Quizlet and memorize flashcards containing terms like Momentum, Momentum is the product of what two quantities?, Which has more momentum? An 80,000 pound big rig traveling 2 mph or a 4,000 pound SUV traveling 40 mph? and more. Assuming the direction is up, calculate the acceleration. See Answer. , C = 220. Keep in mind that our calculator does NOT take into account drive train loss, road and weather conditions, or the skill of the driver. The Change In Force. A three thousand-pound car traveling at 70 mph has 15. 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. . What is the kinetic energy of a 3000lb. 4500 lbs x 66 ft/sec/sec = 297,000 ft. c. 002045 slugs/ft^3) on a paved surface. What happens if it needs to stop? To make the car stop, you need to apply the same amount of force in the opposite direction to cancel out the propelling force and make the car stop. e. Assuming that the log does not significantly damage the truck, and sticks to the truck, the truck slows down by 2 mph on collision. DO NOT CONVERT UNITS!The 3,000 pound car traveling at 70 mph has a tremendous amount of force to release in a crash. 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. The coefficient of static friction between the car and the road is 0. Assume that you apply your brakesDifference: -10. 5 feet to the rear of the front axle. 4 = 154 N. 7 % (a) For all collisions where no external forces are involved, the linear momentum vec p = m cdot vec v is conserved. Determine the amplitude ratio of. Sports & Hobbies. 1 Answer/Comment. Which of the following is true?, A car traveling at 20 mph on a curved exit ramp has a constant velocity. The force to push a car down the road varies with the speed the car is traveling. Determine the ground reaction forces on the front and rear wheels as well as the car acceleration (use Appendix A. 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-causing collisions. A 3,000-pound car is cornering a 300-foot-radius freeway turn at 30 mph. 202,919 ft-lb. You would then. Elapsed time is a vehicle's duration to complete a run in a competition. What we call a "high-performance" car is just a vehicle with a lot of horsepower and a low weight; the power-to-weight ratio is the essential determination for a high-performance car. 89 m/s) has the SAME MOMENTUM as a 4,000-pound (1,800 kg) sport utility vehicle traveling 40 mph (18 m/s). It is hit from behind by Mr. 1 m/s), DV is the change in speed (10 mph is 4. BMW’s rear-wheel-drive X5 sDrive40i is also rated to. The driver of the car instantaneously steps on the gas and accelerates at 8. 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. 2 hours later Deshaun left traveling at 70 mph. Question: SS 1. 2% of a bicycle. 12 A car weighing 3000 lb, traveling at 60 mph, decelerates at 0. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. The friction force (in lb) between the car and the road while cornering is:Calculate the kinetic energy of a car that weighs 3,000 lb and is traveling with a velocity of 45 mph. TRUE a 3,000 pound car traveling at 70 mph has ___ million pounds of force to release in an impact. ÐÏ à¡± á> þÿ B. 1 pound-force is the gravitational force exerted by the Earth on a mass of 1 pound. The travel time calculator exactly as you see it above is 100% free for you to use. After one second, you're falling 9. 8 lb, rolling resistance of 48. k i l o g r a m. The study showed that headwinds with wind speeds up to 115 miles per hour do not tip over vehicles. 4 seconds. When a car crashes, the impact can create a tremendous amount of energy, equal to 15. Expert answer from Brainly : If a 3,000-pound car traveling at 70 mph then it has 15. 3. At this speed it has to make up the distance of 120 miles. f. 8 million pounds of force to release in an impact. 521. A 4,000 pound car has an energy of 500,000 foot pounds. 11/01/2010 2:42 PM. 50 m/s begins to accelerate forward uniformly at 0. 2v − 500 = 0, giving v = 80. If a car is traveling at 70 mph, how fast is the car traveling in feet per second? How long does it take to drive one mile going 325mph? If you are driving at a constant speed of 65 miles per hour, how long will it take you to travel 260 miles? The speed of car A after t minutes is 8 times t m/s. For example, if your automobile gets 30 miles per gallon at 55 mph, the fuel consumption is 21 miles per gallon at 70 mph. Question: (4) A 3000 lb car is traveling at a speed of 25 mph on a level circular track shown when the driver applies the brake. The velocity in miles per hour is equal to the distance in miles divided by time in hours. Brakes are required to comply with performance requirements. Using the formula, the calculation for G force would be as follows: G Force = 60 / 0. A car weighing 3000 lb is traveling at a constant speed of 60 mph as shown below. Added 9/24/2021 7:16:49 PM. Here’s the best way to solve it. 5 seconds. At 70 mph, it is over 115 feet (over 7 modern car lengths). Also, with multiple impacts, the people inside the cars can suffer more severe personal injuries. See Answer. Click the CALCULATE button and this equals 61. 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). F = acceleration force (N, lb f ) m = mass of car (kg, slugs) Acceleration Work. The "highest" (ideal) type of basic freeway section is one in which the free-flow speed is 70 mph or higher. 0 10 30 50 70 85 95 100 105 110 113 116 118 Distance fallen (feet) 0 16 62 138 242 366 504 652 808 971 1,138 1,309 1,483 * This is an approximation. What is the magnitude of its momentum? A) 1. 30, fully charging a Tesla costs an. 229. The force that a car has during a crash depends on the deceleration that occurs, which is determined by factors such as the distance over which the car decelerates and the duration of the impact. The release of this energy is what causes the car to get damaged or. Radius of the curve, r = 650 ft. 65 seconds is making about 300 horsepower. Let the velocity of car be v_c=70 miles/hr. com A 3,000 pound car traveling at 70 mph has 15. Subtract this from 8 hours to get 8 - 1:30 = 6 hr 30 min. Using the basic principles of learning, these theorists see both normal and abnormal behaviors as responses to various stimuli. Typical adjusting values are 85 percent for cars, 70 percent for motorcycles, and 100 percent for trucks. Determine the force applied to slow the car. The R1T's Pirelli Scorpion All Terrain Plus tires are rated to 130 mph. Taking into account the driver's weight (let's use Lewis Hamilton, who weighs 150 lb), that makes a total weight of 1788 lb. 202,919 ft-lb d. According to Newton's second law of motion, a 3,000-pound vehicle traveling at 70 miles per hour has approximately 15. That’s 2. B) if this same car goes up a 6% grade at 60 mph, and the drag is the same, find the power of the engine required. We would like to show you a description here but the site won’t allow us. Therefore there are 224. 100% (37 ratings) for this solution. The statement. From table (2. 4718 lbs/(mph) 50 newton/(km/h) to lbs/(mph) = 18. Get an answer. 447 m/s. 8. decreases. Question. 3. 0 ft/s^2 and catches the truck in 0. 41 m/s * 907. Front. 160 feet d. You may legally drive:. Expert Answer. A. Determine the force applied to slow the car. Lastly, don’t forget that when you read the 60-0mph figures in literature for new cars, the automaker is giving you only the braking distance, not the overall stopping distance. 125 hp for every pound of car. Of course, having a GPS reading of the distance would be more precise. Also, with multiple impacts, the people inside the cars can suffer more severe personal injuries. It's still energy, though, and still uses the same formula. An 80,000 pound big rig traveling 2 mph or a 4,000 pound SUV traveling 40 mph? and more. 5 m/s 2) and the car in question #4. Let's find the de Broglie wavelength of an electron traveling at 1% of the speed of light. Calculate the acceleration. increases. 4 ˛ 103. 4), one lb is equal to 4. A passenger wearing a stretching-style seat belt _ meant to extend the time it takes the person to slow _ during a 30 mph crash is briefly exposed to 20 Gs (or about 3,200 pounds of force on the. car traveling at 60 mph? What is the kinetic energy of a 3000lb. 25 kWh to move, and the brake uses the same 0. 73 miles/min: 45 mph: 0. For example, let’s consider a speed of 60 MPH. 85385 lbs/(mph) 40 newton/(km/h) to lbs/(mph) = 14. f. Still. 30 miles per hour = 44. By determining average speed, you can assume that your speed is constant and multiply it with the traveling time to know the distance covered. A car with weight 3000 lb traveling at 30 mph rounds a corner on an unbanked road with radius 100 ft. This is further explained below. Within 100 feet when traveling at a speed of 20 mph. We would like to show you a description here but the site won’t allow us. Determine the speed of the car A. "is false. 5. 7 ˛ 10-3 kgoem/s B) 6. Examples include mm, inch, 70 kg, 150 lbs, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles. This answer has been confirmed as correct and helpful. Expert Answer. There is a common conception that. , A heavy object and a light object are dropped from the rest at the same time on a planet with no air (vacuum). 40° B) 5. 7309245 × 10-24 kg·m/s7,195. The new Wheel RPM (831 rpm) is lower than the old one (877 rpm). 9 seconds at 138 mph. 7 feet per second. d. Physics, Mass, Velocity, and Energy Calculator, Ballistics Calculator, grains, grams, ounces, pounds, kilograms, ergs, joules, foot pounds, watts, watt hours, kilotons, megatons. 75 feet b. After the cars crashed each other, the car B will travel to the right at the speed of 3 ft/s. v = velocity. Since 1 lb = 4. The 3,000 pound car traveling at 70 mph has a tremendous amount of force to release in a crash. 60 to the left. (recurring) miles per second. The calculator below estimates the stopping distance for a well maintained car with an alert driver on a dry road. Question: 22. We need force in newtons. 8 million pounds of force to release in a crash. The FBD is already given. ) = 17. A. Speed kills. 15) A 100-kg box is pushed with a force of 35 lb. Here's a real-world example; a loaded semi traveling at 60 mph develops about 6. write a scenario where an object has an average speed of 5. For instance, during a 5 g turn, there are 60 to 70 pounds (27 to 32 kg) of force pulling the driver's head to the side. Enter the car's speed in either miles or kilometers per hour and the stopping distance. 92 miles/min: 56 mph: 0. 1. 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. 75% (4 ratings) for this solution. Let us consider both car and truck are travelling in the straight line. 1 sec Top Gear, 50–70 mph: 4. Taking into account the driver's weight (let's use Lewis Hamilton, who. Miles per hour can be expressed using the formula: v mph = d mi / t hr. A) 30 mph B) 75 mph C) 45 mph D) 55 mph Q3) On this dangerous road (aka I-91) there is yet another collision, almost the same as the previous one. TRUE. At 60 mph, on dry pavement, the vehicle-braking distance for a 3,000-pound vehicle to come to a stop is. 5 MILLION foot-pounds of force. 2 pounds in a kilogram. 40 m/s, and the truck westward at 9. To hit the big number, you'll need an XLT or Lariat trim with the optional extended-range battery, and the Max Trailer. When being driven at a speed of 20 mph, a. 41 m/s * 907. True. Asked 9/24/2021 6:27:57 PM. Mechanical Engineering questions and answers. 2. e. 📚 Related Questions. reducing 3,000 lbs. 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. 100% (4 ratings) Transcribed image text: 2. If the cars crash head-on and become entangled, determine their common velocity in ft/s just after the collision. Q&A. The suspension system provides a stiffness of k = 2500 lb/in and a 50% damping ratio. 7 percent increase in the likelihood of a vehicle exceeding the speed limit by any amount and a 2. In this case, this works out to be . , 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. A 3,000 pound car traveling at 70 mph has 15. , find the deceleration of the car. 8 million pounds of force to release in a crash. If the car's speed doubles, how much. ∙ 2016-06-10 17:27:02. 0. m. A 3,000 pound car traveling at 70 mph has 15. 002045 slugs/ 3 ) on a concrete surface. A 3,000 pound car traveling at 70 mph has 15. d. This time a 2000-pound car is driven by a UConn junior, traveling at 30 mph. Impact pressure would be 74,250 pounds/square foot. The force that a car has during a crash depends on the deceleration that occurs, which is determined by factors such as the distance over which the car decelerates and the duration of the impact. • 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. 25 miles per hour = 36. 1/4 inch d. After driving through heavy rain or deep puddles, you should always check for _____. The force is in- creased linearly from initially zero to 2500 lb, and the length of the wire increases by 0. Compute the magnitude F of the total friction force exerted by the road on the car (a) just before it passes point B, (6) just after it passes point B, and (c) just. 2 feet above the pavement and 5. The 30 km/h car, Suppose a moving car has 3000 J of kinetic energy. Hint: Friction force has two components: along the t-axis and n-axis 100 ft Ans: (a)max22. ” Your quarter-mile elapsed time increases to 16. A car, shown in Figure P1. 8 million pounds of. Most passenger vehicles are about 3,000 – 4,000 pounds. Assume the horizontal road. An 80,000 lb truck A is traveling at 70 mph when it encounters a wood log B. It follows an equation of the following form:. If the car A and car B interact for 0. TRUE. Who are the experts? Experts are tested by Chegg as specialists in their subject area.