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A particle is moving along a circular pa...

A particle is moving along a circular path of radius 0.7 m with constant tangential acceleration of 5 m`cdot s^(-2)`. The particle is initially at rast. Based on the above information, answer the following questions : The speed of the particle after 7 s is

A

5 m `cdot s^(-1)`

B

7 m `cdot s^(-1)`

C

35 m `cdot s^(-1)`

D

48 m `cdot s^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • A particle is moving along a circular path of radius 0.7 m with constant tangential acceleration of 5 m cdot s^(-2) . The particle is initially at rast. Based on the above information, answer the following questions : The radial acceleration of the particle at t = 7 s is

    A
    1200 m `cdot s^(-2)`
    B
    1750 m `cdot s^(-2)`
    C
    70 m `cdot s^(-2)`
    D
    250 m `cdot s^(-2)`

  • A particle is moving along a circular path of radius 0.7 m with constant tangential acceleration of 5 m cdot s^(-2) . The particle is initially at rast. Based on the above information, answer the following questions : Distance travelled by the particle in 7 s is

    A
    123 m
    B
    725 m
    C
    728 m
    D
    426 m

  • A particle is moving along a circular path of radius 0.7 m with constant tangential acceleration of 5 m cdot s^(-2) . The particle is initially at rast. Based on the above information, answer the following questions : The number of revolutions made by the particle in 7 s is

    A
    27.8
    B
    164.8
    C
    165.52
    D
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