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A meson is shot with constant speed 5.0 ...

A meson is shot with constant speed `5.0 xx 10^6` m/s in an electric field which produces on the meson an acceleration of `1.25 xx 10^(14)` m/`s^2` directed opposite to the initial velocity. How far does the meson travel before coming to the rest ?

A

100 cm

B

10 cm

C

5 cm

D

1 cm

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Knowledge Check

  • An electron moving with velocity of 5 xx 10^(4) m/s. When it enters into an electric field, it gains an acceleration of 1 xx 10^(15) . In how much time, velocity of electron will become double of initial velocity?

    A
    `5 xx 10^(-11)s`
    B
    `4 xx 10^(-11) s`
    C
    `3 xx 10^(-11)s`
    D
    `2 xx 10^(-11)s`

  • An electron moving with velocity of 5 xx 10^(4) m/s. When it enters into an electric field, it gains an acceleration of 1 xx 10^(15) . In how much time, velocity of electron will become double of initial velocity?

    A
    `5xx10^(-11) s`
    B
    `4xx10^(-11)s`
    C
    `3xx10^(-11)s`
    D
    `2xx10^(-11)s`

  • An electron moving with a speed of 5xx10^(6)m//s is shot parallel to the electric field of strength 1xx10^(3) N/C arranged so as to retard its motion. How far will the electron travel in the field before coming (momentarily) to rest? ( m_(e)=9.1xx10^(-31)kg )

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    7m
    B
    70m
    C
    7cm
    D
    0.7cm

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