Physics Crash Course MHT-CET>Chapter 1 - Motion in a Plane>Exercise 1>Q 143

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A bob attached to a string is held horizontal and released. The tension $(T)$ and vertical distance $(h)$ from point of suspension can be represented by

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Important Questions on Motion in a Plane

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Physics Crash Course MHT-CET>Chapter 1 - Motion in a Plane>Exercise 1>Q 144

Which of the following statements is false? Centripetal force and centrifugal force

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Physics Crash Course MHT-CET>Chapter 1 - Motion in a Plane>Exercise 1>Q 145

The angular velocity of a wheel is

70 rad s^{- 1} .

If the radius of the wheel is

0.5 m,

then linear velocity of the wheel is

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Physics Crash Course MHT-CET>Chapter 1 - Motion in a Plane>Exercise 1>Q 146

If the length of the second's hand in a stop clock is

3 cm,

the angular velocity and linear velocity of the tip is

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Physics Crash Course MHT-CET>Chapter 1 - Motion in a Plane>Exercise 1>Q 147

A wheel of diameter

20 cm

is rotating at

600 rpm .

The linear velocity of particle at its rim is

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Physics Crash Course MHT-CET>Chapter 1 - Motion in a Plane>Exercise 1>Q 148

What is the linear velocity of a body at point having position vector

\vec{r} = (5 \hat{i} - 6 \hat{j} + 6 \hat{k})

if its angular velocity is

\vec{ω} = (3 \hat{i} - 4 \hat{j} + \hat{k})

?

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Physics Crash Course MHT-CET>Chapter 1 - Motion in a Plane>Exercise 1>Q 149

During the circular motion with constant speed:

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Physics Crash Course MHT-CET>Chapter 1 - Motion in a Plane>Exercise 1>Q 150

The linear velocity of a particle on the

N - pole

of the earth is

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Physics Crash Course MHT-CET>Chapter 1 - Motion in a Plane>Exercise 1>Q 151

A body revolves

n

times in a circle of radius

π cm

in one minute. Its linear velocity is