Physics, 01.03.2021 19:00 lenaaemersonn2
Calculate the period and propagation speed of a wave motion whose frequency is 25Hz and its wavelength is 1.20m
Answers: 3
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Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge, at the position of the second charge, change if the second charge is doubled? a. the field does not change b. the field strength decreases by half. c. the field strength doubles d. the field strength quadruples
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Which is the most accurate name for the ionic compound cas?
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The velocity of sound wave in air at 35°c is 353m/s, calculate the velocity of sound at 46°c
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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
Calculate the period and propagation speed of a wave motion whose frequency is 25Hz and its waveleng...
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