Physics, 07.11.2020 01:40 darrell1168
Find the time needed to stop a 3.6 kg ball moving initially at 12 m/s if a 160. N net force acts on the ball in a direction opposite its velocity.
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If angle "a" is 25°, angle "b" is: a) equal to angle c b) less than angle c c) greater than angle c
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What is the name of the perceived change in a sound wave’s frequency due to motion between the observer and the sound source?
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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
Find the time needed to stop a 3.6 kg ball moving initially at 12 m/s if a 160. N net force acts on...
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