Physics, 11.03.2020 17:52 kadams3836
An elevator and its load have a combined mass of 1650 kg. Find the tension in the supporting cable when the elevator, originally moving downward at 11 m/s, is brought to rest with constant acceleration in a distance of 41 m.
Answers: 3
Physics, 22.06.2019 11:30
Considering only the earth's rotation, determine how much later the asteroid would have had to arrive to put the explosion above helsinki at longitude 25˚ e? this would have obliterated the city.
Answers: 1
Physics, 23.06.2019 08:00
Whenever the net force on a moving object is zero its acceleration is
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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
An elevator and its load have a combined mass of 1650 kg. Find the tension in the supporting cable w...
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