Physics, 11.07.2019 21:30 rscvsdfsrysas3712
Two 110 kg bumper cars are moving toward each other in opposite directions. car a is moving at 8 m/s and car z at –10 m/s when they collide head–on. if the resulting velocity of car a after the collision is –10 m/s, what is the velocity of car z after the collision?
Answers: 1
Physics, 23.06.2019 08:00
The cheetah is considered the fastest running animal in the world. cheetahs can accelerate to a speed of 20.1 m/s in 2.50 s and can continue to accelerate to reach a top speed of 28.1 m/s. assume the acceleration is constant until the top speed is reached and is zero thereafter.1) starting from a crouched position, how long does it take a cheetah to reach its top speed? (express your answer to three significant figures.) s2) how far does it travel in that time? (express your answer to three significant figures.) m3) if a cheetah sees a rabbit 120 m away, how long will it take to reach the rabbit, assuming the rabbit does not move? (express your answer to three significant figures.)
Answers: 3
Two 110 kg bumper cars are moving toward each other in opposite directions. car a is moving at 8 m/s...
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