If a feather is dropped from a height, would its apparent weight be equal to its true weight or zero as in weightlessness.?
A man is laying on a board elevated by a support at the tip of the head of the board and by a scale at the foot of the board.
If we have a constant acceleration of 20 m/s2 and an initial velocity of 5 m/s, what is the velocity after 10 seconds?
A house at the bottom of a hill is fed by a full tank of water 6.0 m deep and connected to the house
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