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If a ball is thrown vertically upwards with speed `u`, the distance covered during the last `t` second of its ascent is

A

`ut`

B

`1/2 g t^2`

C

`ut - 1/2g t^2`

D

`ut - 1/2g t^2`

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • If a ball is thrown vertically upwards with speed u, the distance covered during the last t seconds of its ascent is

    A
    `(1)/(2) "gt"^(2)`
    B
    `ut-(1)/(2) "gt"^(2)`
    C
    (u-gt)t
    D
    ut

  • If a ball is thrown vertically upwards with speed u, the distance covered during the last t seconds of its ascent is

    A
    u t
    B
    `(1)/(2) g t^(2)`
    C
    `(u + g t)t `
    D
    `u t - (1)/( 2) g t ^(2)`

  • 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

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