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Q1. A dynamite blast at a quarry launches a rock straight upward, and later it is rising at a rate of 15m/s. Assuming air resistance has no effect on the rock, calculate the total time the rock is in the air?

Q2. The period of a simple pendulum in the grandfather clock on another planet is 1.66s. What is the acceleration due to gravity on this planet? Imagine that the length of the pendulum is 1.00 m.

Q3. A father and a child are sitting on adjacent identical swings. Once they get moving, what will the father swing with, in comparison to child?

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Category:- Physics
Reference No.:- M9162050

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