Physics Crash Course NEET>Chapter 2 - Kinematics>Level 2>Q 31

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A particle is moving in uniform circular motion with speed $v$ and radius $R$ . The angular acceleration of the particle is:

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Important Questions on Kinematics

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Physics Crash Course NEET>Chapter 2 - Kinematics>Level 2>Q 32

If

y = x^{2},

then area of curve

y vs x

from

x = 0

to

2

will be

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Physics Crash Course NEET>Chapter 2 - Kinematics>Level 2>Q 33

In the cube of side $' a'$ shown in the figure, the vector from the central point of the face $A B O D$ to the central point of the face $B E F O$ will be :

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Physics Crash Course NEET>Chapter 2 - Kinematics>Level 2>Q 34

A simple pendulum is oscillating without damping. When the displacement of the bob is less than maximum, its acceleration vector

\vec{a}

is correctly shown in

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Physics Crash Course NEET>Chapter 2 - Kinematics>Level 2>Q 35

The resultant of two vectors of magnitude

2 A

and

\sqrt{2} A

, acting at an angle

θ

, is

\sqrt{10} A

. Find the value of

θ

.

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Physics Crash Course NEET>Chapter 2 - Kinematics>Level 2>Q 36

If the angle between two force increases, the magnitude of their resultant

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Physics Crash Course NEET>Chapter 2 - Kinematics>Level 2>Q 37

Given,

\vec{A} = 2 \hat{i} + 3 \hat{j}

and

\vec{B} = 5 \hat{i} - 6 \hat{j}

. The magnitude of

\vec{A} + \vec{B}

is

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Physics Crash Course NEET>Chapter 2 - Kinematics>Level 2>Q 38

If

\vec{P} = 2 \hat{i} - 3 \hat{j} + \hat{k}

and

\vec{Q} = 3 \hat{i} + 2 \hat{j}

, then

\vec{P} \cdot \vec{Q}

is

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Physics Crash Course NEET>Chapter 2 - Kinematics>Level 2>Q 39

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The figure shows distance-time curve for a particle. The maximum instantaneous velocity of the particle is around the point