A `0.5 kg` ball moving with a speed of `12 m//s` strikes a hard wall at an angle of `30^(@)` 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 A. 48 NB. 24 NC. 12 ND. 96 N

A `0.5 kg` ball moving with a speed of `12 m//s` strikes a hard wall a

1.	A `0.5 kg` ball moving with a speed of `12 m//s` strikes a hard wall at an angle of `30^(@)` 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 A. 48 NB. 24 NC. 12 ND. 96 N
Answer» Correct Answer - B F=`(Deltap)/(Deltat)=(2mvsin30^(@))/(0.25)=24N`

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A `0.5 kg` ball moving with a speed of `12 m//s` strikes a hard wall at an angle of `30^(@)` 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 A. 48 NB. 24 NC. 12 ND. 96 N

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