What''s the maximum height the ball would reach

Reference no: EM139170

Q1. A 2.2 kg ball is shot straight upward into the air, with an initial speed of 7.8 m/s. The ball is fired from the ground.

1. What's the maximum height the ball would reach?

2. How fast is the ball moving when it is right 1.0 m above the ground?

Q2. The planet Mercury has a mass that is 5 % of that of Earth, and its gravitational acceleration is g mercury = 3.70 m/s2.

From what height will you have to drop the rock on Earth so that the fall-time on both planets is the same?

Reference no: EM139170

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