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Question1

A baseball is thrown at an angle of 20? relative to ground at a speed of 25.6 m/s. The ball is caught 42.9416 m from the thrower.

The acceleration due to gravity is 9.81 m/s2.

How long is it in the air?

Question2

A 80 kg airplane pilot pulls out of a dive by following, at a constant speed of 180 km/h, arc of a 300 m radius circle.

At the bottom of the circle, find the

a) acceleration's direction and magnitude,

b) net force and

c) force exerted by the plane on the pilot.

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Category:- Physics
Reference No.:- M9134916

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