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A ball of mass 10 g is moving with a vel...

A ball of mass 10 g is moving with a velocity of `50 "ms"^(-1)`. On applying a constant force on ball for 2.0 s, it acquires a velocity of `70 "ms"^(-1)`. Calculate the rate of change of momentum

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Rate of change of momentum = `"Final momentum - Initial momentum"/"Time interval"`
`=((0.7-0.5) "kg ms"^(-1))/ (2.00) = 0.1 "kgms"^(-2)`
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ICSE-LAWS OF MOTION-TOPIC 2 (4 Marks Questions )
  1. A ball of mass 10 g is moving with a velocity of 50 "ms"^(-1). On appl...

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  2. A ball of mass 10 g is moving with a velocity of 50 "ms"^(-1). On appl...

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  3. A ball of mass 10 g is moving with a velocity of 50 "ms"^(-1). On appl...

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  4. A ball of mass 10 g is moving with a velocity of 50 "ms"^(-1). On appl...

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  5. A ball of mass 10 g is moving with a velocity of 50 "ms"^(-1). On appl...

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  6. A cricket ball of mass 100 g moving with a speed of 30 "ms"^(-1) is b...

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  7. A cricket ball of mass 100 g moving with a speed of 30 "ms"^(-1) is b...

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  8. Two balls A and B of masses m and 2 m are in motion with velocities 2...

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  9. Two balls A and B of masses m and 2 m are in motion with velocities 2...

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  10. Two balls A and B of masses m and 2 m are in motion with velocities 2...

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  11. A force of 10 N acts on a body of mass 2 kg for 3s , initially at rest...

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  12. A force of 10 N acts on a body of mass 2 kg for 3s , initially at rest...

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  13. A force acts for 10 s on a stationary body of mass 100 kg, after which...

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  14. A force acts for 10 s on a stationary body of mass 100 kg, after which...

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  15. A force acts for 10 s on a stationary body of mass 100 kg, after which...

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  16. A car is moving with a uniform velocity 30 "ms"^(-1) . It is stopped i...

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  17. A car is moving with a uniform velocity 30 "ms"^(-1) . It is stopped i...

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  18. A car is moving with a uniform velocity 30 "ms"^(-1) . It is stopped i...

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  19. A bullet of mass 50 g moving with an initial velocity 100 "m s"^(-1) ...

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  20. A bullet of mass 50 g moving with an initial velocity 100 "m s"^(-1) ...

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