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Instantaneous Axis of Rotation

the dis†an ce...

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the dis†an ce of a particle moving on a circle of radius 12m measured from a fixed point on the circle is given by s=2t^{3 }the ratio of †an gential to centripetal acceleration is

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Q. The distance of a particle moving on a circular path of radius

12 m

measured from a fixed point on the circle and measured along the circle is given by

S = 2 t^{3}

(in metres). The ratio of its tangential to centripetal acceleration at

t = 2 s

Q. A particle of mass

M

is moving in a circle of fixed radius

R

in such a way that its centripetal acceleration at time

t

n^{2} R t^{2}

n

is a constant. The power delivered to the particle by the force acting on it, is:

Q. Figure shows the total acceleration

a = 32 m / s^{2}

of a moving particle moving clockwise in a circle of radius

R = 1 m

. What are the centripetal acceleration

a

v

of the particle at given instant?

Q. A particle is revolving in a circle. Its angular speed increases from 2 rad/s to

40

19

sec. The radius of the circle is

20 c m

. Compute the ratio of its centripetal acceleration to its tangential acceleration at the end of 40s.

Q. A particle of mass

M

is moving in a circle of fixed radius

R

in such a way that its centripetal acceleration at time

t

n^{2} R^{2} t^{2}

n

is a constant. The power delivered to the particle by the force acting on it is:

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