An inclined plane can help .
a. reduce the effort needed to move a load horizontally
b....
Physics, 21.02.2020 03:41 culbertchristi6111
An inclined plane can help .
a. reduce the effort needed to move a load horizontally
b. reduce the effort needed to move a load vertically
c. increase the effort needed to move a load vertically
e. increase the effort needed to move a load horizontally
Answers: 3
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Which quantities are scalars? choose all that apply a.distance b.speed c. acceleration d.velocity
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Cathy is pedaling down a steep hill on her bicycle and wants to be able to coast up the next hill, which is 25 meters high, without pedaling. cathy and her bicycle have a mass of 75 kg. assuming her bicycle is 100% efficient, what would her speed have to be?
Answers: 3
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Arailroad car collides with and sticks to an identical railroad car that is initially at rest. after the collision, the total kinetic energy of the two cars is a) the same as before. b) half as much as before. c) one third as much as before. d) one fourth as much as before. e) twice as much as before.
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