impuse and question based on it questions with solutions

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• MCQmediumCenter of maas , Momentum and Collisionimpuse and question based on it

  A spherical body of mass 100 g is dropped from a height of 10 m from the ground. After hitting the ground, the body rebounds to a height of 5m. The impulse of force imparted by the ground to the body is given by : (given g = 9.8 m/s²)

  Options

  • Option A

    4.32 kg ms⁻¹

  • Option B

    43.2 kg ms⁻¹

  • Option C

    23.9 kg ms⁻¹

  • Option D

    2.39 kg ms⁻¹

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• NumericmediumCenter of maas , Momentum and Collisionimpuse and question based on it

  A ball of mass 2 kg strikes a smooth fixed vertical wall with speed 10 m/s. Its velocity makes an angle 60° with the normal to the wall. The collision is perfectly elastic. If the magnitude of the impulse delivered by the wall is N N·s, find N.

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• NumericmediumCenter of maas , Momentum and Collisionimpuse and question based on it

  A particle of mass 2 kg is attached to a light inextensible string. Just before the string becomes taut, the particle has speed 10 m/s and its velocity makes an angle 60° with the string, with the component along the string directed outward. If the magnitude of the impulsive tension when the string suddenly becomes taut is N N·s, find N.

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• NumericmediumCenter of maas , Momentum and Collisionimpuse and question based on it

  A particle of mass 2 kg is projected with speed 20 m/s at 30° above the horizontal and returns to the same level. Neglect air resistance. If the magnitude of the total impulse due to gravity during the complete flight is N N·s, find N.

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• MCQeasyCenter of maas , Momentum and Collisionimpuse and question based on it

  A 10 g bullet leaves a gun barrel with speed 600 m s⁻¹. The impulse supplied to the gun is:

  Options

  • Option A

    12 N s

  • Option B

    6 N s

  • Option C

    3 N s

  • Option D

    36 N s

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• Multi-correcteasyCenter of maas , Momentum and Collisionimpuse and question based on it

  Which statements about impulse are correct?

  Select all that apply

  • Option A

    Impulse equals the change in momentum of a particle

  • Option B

    A very large force acting for a very short time can produce a finite impulse

  • Option C

    If the net external impulse on a system is zero, the total momentum of the system remains unchanged

  • Option D

    Equal and opposite internal impulsive forces can change the total momentum of an isolated system

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• NumericmediumCenter of maas , Momentum and Collisionimpuse and question based on it

  A force acting on a particle increases uniformly from 0 to 20 N during the interval t = 0 to 1 s. It then decreases uniformly from 20 N at t = 1 s to -20 N at t = 3 s. If the net impulse from t = 0 to 3 s is N N·s, find N.

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• NumericmediumCenter of maas , Momentum and Collisionimpuse and question based on it

  A particle is acted upon by the time-dependent force F = (6t, 4) N from t = 0 to t = 2 s. If the magnitude of the impulse is 4√N N·s, find N.

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• NumericeasyCenter of maas , Momentum and Collisionimpuse and question based on it

  A 2 kg ball strikes a horizontal floor vertically downward with speed 8 m/s. The coefficient of restitution between the ball and floor is 1/2. Neglect the impulse due to gravity during the short collision. If the impulse delivered by the floor is N N·s, find N.

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• NumericmediumCenter of maas , Momentum and Collisionimpuse and question based on it

  A particle of mass 2 kg moves with speed 5 m/s. An impulse changes the direction of its velocity through 120°, but its speed remains unchanged. If the magnitude of the impulse is 10√N N·s, find N.

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