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A player stops a football weighing 0.5 k...

A player stops a football weighing 0.5 kg which comes flying towards him with a velocity of `10m//s`. If the impact lasts for `1//50`th sec. and the ball bounces back with a velocity of 15 `m//s`, then the average force involved is

A

250N

B

1250 N

C

500 N

D

625 N

Text Solution

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Knowledge Check

  • A player kicks a football of mass 0.5 kg and the football begins to move with a velocity of 10 m/s . If the contact between the leg and the football lasts for (1)/(50) sec , then the force acted on the football should be

    A
    2500 N
    B
    1250 N
    C
    250 N
    D
    625 N

  • A football player kicks a 0.5 kg ball and imparts it a velocity of 10 m/s . The contact between foot and ball is only for 1/50th second . The kicking force is

    A
    250 N
    B
    125 N
    C
    0 N
    D
    `3*75 N`

  • A ball of mass 0.2 kg moves with a velocity of 20m//sec and it stops in 0.1 sec , then the force on the ball is

    A
    40 N
    B
    20 N
    C
    4 N
    D
    2 N
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