Physics, asked by ishwaryawary2000, 10 months ago

a ball of mass 600 gm strikes a wall with velocity of 5m/s at an angle 30° with the wall and rebounds with the same speed at the same angle with the wall. the change in momentum of the ball is, (in kg m/s).

Answers

Answered by Anonymous

Answer:

Let the ball strike the wall with velocity u =5m/s at an angle 30° with wall.Therefore angle of incidence=60°.Initial momentum along is normal -mucos60° .Final momentum along normal is mucos60°.Therefore change in momentum is =mucos60° -(-mucos60°).=2mucos60° =2×.6×4×.5=3Kgm/s.

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