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If the body is moving in a circle of rad...

If the body is moving in a circle of radius r with a constant speed v , its angular velocity is

A

`v^(2)//r`

B

vr

C

v/r

D

r/v

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • If a body is moving in a circle of radius r with a cos seppd v, its angular velocity is :

    A
    `(v^(2))/(r)`
    B
    vr
    C
    `(v)/(r)`
    D
    `(r)/(v)`

  • A body of mass m is moving in a circle of radius r with a constant speed v, The force on the body is (mv^(2))/(r ) and is directed towards the centre. What is the work done by the force in moving the body over half the circumference of the circle?

    A
    `(mv^(2))/(pi r^(2))`
    B
    zero
    C
    `(mv^(2))/(r^(2))`
    D
    `(pi r^(2))/(mv^(2))`

  • A body of mass m is moving in a circle of radius r with a constant speed v. The force on the body is (mv^(2))/(r ) centre. What is the work done by this force in moving the body over half the circumference of the circle

    A
    `(mv^(2))/(pir^(2))`
    B
    Zero
    C
    `(mv^(2))/(r^(2))`
    D
    `(pir^(2))/(mv^(2))`

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