If $\overrightarrow{P}+\overrightarrow{Q}=\overrightarrow{P}-\overrightarrow{Q}$, then

Important Questions on Motion in a Plane

EASY

NEET

IMPORTANT

Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>EXERCISE>Q 10

The maximum number of rectangular components in which a vector can be resolved in a plane, is

EASY

NEET

IMPORTANT

Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>EXERCISE>Q 11

The displacement of a particle from a point having position vector $2\hat{i}+4\hat{j}$ to another point having position vector $5\hat{i}+1\hat{j}$ is

EASY

NEET

IMPORTANT

Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>EXERCISE>Q 13

A body moves $6 \mathrm{m}$ north, $8 \mathrm{m}$ east and $10 \mathrm{m}$ vertically upwards, the resultant displacement of body from its initial position is

EASY

NEET

IMPORTANT

Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>EXERCISE>Q 14

A particle has an initial velocity of $3\hat{i}+4\hat{j}$ and an acceleration of $0.4\hat{i}+0.3\hat{j}$. The magnitude of its velocity after $10 \mathrm{s}$ is

EASY

NEET

IMPORTANT

Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>EXERCISE>Q 15

The position vector of an object at any time $t$ is given by $3t^2\hat{\mathrm{i}}+6t\hat{\mathrm{j}}+\hat{\mathrm{k}}$. Its velocity along $y-$axis has the magnitude

EASY

NEET

IMPORTANT

Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>EXERCISE>Q 16

A body lying initially at point $(3,7)$ starts moving with a constant acceleration of $4\hat{i}$. Its position after $3 \mathrm{s}$ is given by the co-ordinates

EASY

NEET

IMPORTANT

Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>EXERCISE>Q 17

The initial position of an object at rest is given by $3\hat{\mathrm{i}}-8\hat{\mathrm{j}}$. It moves with constant acceleration and reaches to the position $2\hat{\mathrm{i}}+4\hat{\mathrm{j}}$ after $4 \mathrm{s}$. What is its acceleration?

EASY

NEET

IMPORTANT

Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>EXERCISE>Q 19

A bus appears to go with a speed of $25 \mathrm{km} {\mathrm{hr}}^{-1}$ to a car driver, driving at the rate $7 \mathrm{km} {\mathrm{hr}}^{-1}$ northwards. If the bus actually travels in east direction, its speed is