An object is hung from a spring balance attached to the


An object is hung from a spring balance attached to the ceiling of an elevator cab. The balance reads 65 Newton when the elevator is standing still.

(a) Find what is the reading when the elevator is moving upward with a constant speed of 7.4m/s?

N

(b) Determine what is the reading when the elevator is moving upward with a speed of 7.4 m/s while decelerating at a rate of 1.7 m/s2?

N

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Physics: An object is hung from a spring balance attached to the
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