Raindrops make an angle with the vertical when viewed through a moving train
window. if the sp...
Physics, 25.11.2019 18:31 hePandaKing3689
Raindrops make an angle with the vertical when viewed through a moving train
window. if the speedometer on the train is showing that the speed of the
train is v , what is the speed of the raindrops in the reference frame of the earth
in which they are assumed to fall vertically?
Answers: 1
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Imagine that you have two balloons (or, better yet, actually inflate two balloons, if possible). create static electricity around one of the balloons by rubbing it against your hair or your sweater and then bring that balloon close to the other balloon, which has not been charged. try this with at least one other object—and for variety in the discussion, avoid using an object already described by your classmates. then, for your initial post to the discussion, answer the following questions: what happened with the two balloons?
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Astone is dropped from the upper observation deck of a tower, 250 m above the ground. (assume g = 9.8 m/s2.) (a) find the distance (in meters) of the stone above ground level at time t. h(t) = (b) how long does it take the stone to reach the ground? (round your answer to two decimal places.) s (c) with what velocity does it strike the ground? (round your answer to one decimal place.) m/s (d) if the stone is thrown downward with a speed of 2 m/s, how long does it take to reach the ground? (round your answer to two decimal places.) s
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