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Question Stimulus A stone is thrown ver...

Question Stimulus
A stone is thrown vertically upwards with an initial velocity of `30 ms^(-1)`. Acceleration due to gravity `g = 10 ms^(-2)`. The maximum height reached by the stone is

A

30 m

B

4.5 m

C

45 m

D

90 m

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • A stone of mass m is thrown vertically upwards with a velocity of 9.8 ms^(-1) . The height of the point where KE=PE is ( g=9.8ms^(-2) )

    A
    9.8 m
    B
    4.9 m
    C
    2.45 m
    D
    2 m

  • A stone of mass m is thrown vertically upwards with a velocity of 9.8 ms^(-1) . The height of the point where KE=PE is ( g=9.8ms^(-2) )

    A
    9.8 m
    B
    4.9 m
    C
    2.45 m
    D
    2 m

  • A ball is thrown vertically upwards with a velocity of 10 ms^(-1) . It returns to the ground with a velocity of 9 ms^(-1) . If g=9.8 ms^(-2) , then the maximum height attained by the ball is nearly (assume air resistance to be uniform)

    A
    5.1 m
    B
    4.1 m
    C
    4.61 m
    D
    5 m

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