Physics, 31.12.2019 12:31 jamiecoolgal8697
You toss a marble straight up into the air with a speed of 1.3 m/s. how long does it take the marble to reach its highest point?
a. 0.55 s
b. 2.2 s
c. 7.5 s
d. 0.13 s
Answers: 1
Physics, 23.06.2019 04:00
Robin is swinging back and forth from a trapeze. in which of the following situations is his kinetic energy being transformed into potential energy
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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
Physics, 23.06.2019 18:30
Many stereo speaker cables are made of copper wire surrounded by rubber. the electricity travels down the copper portion of the cable while the rubber protects you from being "zapped" by the electricity. which physical property explains the difference in ability of copper and rubber to transmit electricity?
Answers: 1
You toss a marble straight up into the air with a speed of 1.3 m/s. how long does it take the marble...
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