A $0.5 k g$ ball moving with a speed of $12 m / s$ strikes a hard wall at an angle of $30^{\circ}$ with the wall. It is reflected with the same speed and at the same angle . If the ball is in contact with the wall for $0.25 s$ , the average force acting on the wall is

48 N

24 N

12 N

96 N

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0.5 k g

ball moving with a speed of

12 m / s

strikes a hard wall at an angle of

30^{\circ}

with the wall. It is reflected with the same speed and at the same angle . If the ball is in contact with the wall for

0.25 s

, the average force acting on the wall is

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Question Text

0.5 k g

ball moving with a speed of

12 m / s

strikes a hard wall at an angle of

30^{\circ}

with the wall. It is reflected with the same speed and at the same angle . If the ball is in contact with the wall for

0.25 s

, the average force acting on the wall is

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