A Text Book of PHYSICS PART I : CLASS 11>Chapter 4 - Scalars and Vectors>EXERCISE>Q 48

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11th West Bengal Board

IMPORTANT

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A particle is moving with velocity $\vec{V} = k (y \hat{i} + x \hat{j})$ , where is $k$ constant. The general equation for its path is

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Important Questions on Scalars and Vectors

HARD

11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 4 - Scalars and Vectors>EXERCISE>Q 49

Vector

\vec{A}

has magnitude

5

units, lies in the

x y

-plane and points in a direction

120 °

from the direction of increasing

x

. Vector

\vec{B}

has magnitude of

9

units and points along the

Z

-axis. The magnitude of cross product

\vec{A} \times \vec{B}

is

EASY

11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 4 - Scalars and Vectors>EXERCISE>Q 50

If

\vec{A} = \vec{B} + \vec{C}

and

\vec{A}, \vec{B}, \vec{C}

have scalar magnitudes of

5, 4, 3

units respectively, then the angle between

\vec{A}

and

\vec{C}

is