A ball of mass 3kg moving with a speed o...

A ball of mass 3kg moving with a speed of 100 m/s, strikes a wall at an angle `60^(@)` (as shown in figure). The ball rebounds at the same speed and remains in contact with the wall for 0.2 s, the force exerted by the ball on the wall is

`1500sqrt(3)N`

`1500 N`

`300sqrt(3) N`

`300 N`

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