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Two balls of different masses are thrown...

Two balls of different masses are thrown vertically upwards with the same speed . They pass through the point of projection in their downward motion with the same speed ( Neglect air resistance ).

Text Solution

Verified by Experts

The correct Answer is:
1
True.
As there is no air resistance, so motion will be independent of mass. Hence, both will reach with same velocity.
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Assertion : Two balls of different masses are thrown vertically upward with same speed. They will pass through their point of projection in the downward direction with the same speed. Reason: The maximum height and downward velocity attained at the point of projection are independent of the mass,of the ball.

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Knowledge Check

  • Assertion: Two balls of different masses are thrown vertically upward with same speed. They will pass through their point of projection in the downward direction with the same speed. Reason: The maximum height and downward velocity attained at the point of projection are independent of the mass of the ball.

    A
    If both assertion and reason are true and reason is the correct explanation of assertion.
    B
    If both assertion and reason are true but reason is not the correct explanation of assertion.
    C
    If assertion is true but reason is false.
    D
    If both assertion and reason are false.

  • A ball is thrown vertically upwards with a speed of 10 m//s from the top of a tower 200 m height and another is thrown vertically downwards with the same speed simultaneously. The time difference between them on reaching the ground is (g=10 m//s^(2))

    A
    12 s
    B
    6 s
    C
    2 s
    D
    1 s

  • A ball is thrown vertically upwards with a speed 70m/s. The distance travelled by theball in its seventh second of motion will be [g=10m//s^(2)]

    A
    10m
    B
    2.1m
    C
    3.4
    D
    5m