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A ball of 2 kg strikes a wall with a velocity 1 m/s at an angle 30∘ with the horizontal as shown in the figure below. It reflects at the same angle from the wall in 0.1 s. Force exerted on the ball will be: |
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Answer» A ball of 2 kg strikes a wall with a velocity 1 m/s at an angle 30∘ with the horizontal as shown in the figure below. It reflects at the same angle from the wall in 0.1 s. Force exerted on the ball will be: |
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