1 answer

A 2.92-kg steel ball strokes a massive wall at 10.0 m/s at an angle of theta...

Question:

A 2.92-kg steel ball strokes a massive wall at 10.
A 2.92-kg steel ball strokes a massive wall at 10.0 m/s at an angle of theta = 60.0 degree with the plane of the wall. It bounces off the wall with the same speed and angle. If the ball is in contract with the wall for 0.184 s, what is the average force existed by the wall on the ball?

Answers

Here ,

mass of ball , m = 2.92 Kg

initial speed , u = 10 m/s

final speed , v = 10 m/s

average force = change in momentum /time

average force = 2.92 * (2 * 10 * sin(60))/.184

average force = 274.9 N

the average force is 274.9 N

the direction of force is in -ve x - direction

.

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