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A ball mass 2 kg moving horizontally wit...

A ball mass 2 kg moving horizontally with velocity 10 m/s hits a wedge of mass 5 kg placed on a horizontal surface as shown in the figure. Just after collision klvelocity of wedge is 3.2 m/s. There is no friction at any contact surface. Then (take sin `30^(@)=3//5`)

A

Speed of ball just collision id `2sqrt10` m/s

B

limpulse applied by ball on the wedge during collsion is 20 N-s

C

Both are correct

D

Both are wrong

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Knowledge Check

  • A ball of mass 1kg strikes a wedge of mass 4kg horzontally with a velocity of 10m//s . Just after collision, velocity of wedge becomes 4m//s .Friction is absent everywhere and collision is elastic. Select the correct alternative.

    A
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    B
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    C
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    D
    impulse between ball and wedge during collision is 32N-s

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