An automobile having a mass of 1,000 kg is driven into a brick wall in a safety test. the bumper behaves like a spring with constant 5.75 ✕ 10^6 n/m and is compressed 3.12 cm as the car is brought to rest. what was the speed of the car before impact, assuming no energy is lost in the collision with the wall?
Answers: 2
Physics, 23.06.2019 01:00, djs1671
To practice problem-solving strategy 10.1 for energy conservation problems. a sled is being held at rest on a slope that makes an angle θ with the horizontal. after the sled is released, it slides a distance d1 down the slope and then covers the distance d2 along the horizontal terrain before stopping. find the coefficient of kinetic friction μk between the sled and the ground, assuming that it is constant throughout the trip.
Answers: 1
Physics, 23.06.2019 06:50, leah5981
It's time for santa to deliver his presents. assuming he delivers presents all over the world, he has to travel about 75,000,000 miles. if he travels east to west, he can use the time zones to make christmas day last 31 hours. what speed, in miles per hour, must santa fly to get all of his presents delivered?
Answers: 1
Physics, 23.06.2019 07:00, badatmathmate8388
Using the black numbers on the stopwatch to answer the questions. what is the most accurate reading of seconds as indicated by the long second hand? a. 5.3 b. 5.6 c. 7.2 d. 53 secs its for edg i found out it was 5.3 and tenth of seconds freebie
Answers: 1
Physics, 23.06.2019 14:00, roofroofmom
What is the difference between a solar cell and a solar panel
Answers: 1
An automobile having a mass of 1,000 kg is driven into a brick wall in a safety test. the bumper beh...
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