Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>Assignment>Q 1

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Which of the following is a unit vector?

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Important Questions on Motion in a Plane

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Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>Assignment>Q 2

The angle between two vectors $\vec{P}$ and $\vec{Q}$ in the figure as shown is

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Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>Assignment>Q 3

Velocity of

A

and

B

are

{\vec{v}}_{A} = (2 \hat{i} + 3 \hat{j}) m s^{- 1}

and

{\vec{v}}_{B} = (\hat{i} + 2 \hat{j}) m s^{- 1}

. Velocity of

A

as observed by

B

is

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

Rain is falling vertically downward at a velocity of

12 km h^{- 1}

and the man is running along south on horizontal road at

12 km h^{- 1}

. The velocity of rain with respect to the man is

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Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>Assignment>Q 5

A particle changes its velocity from

30 km s^{- 1}

north to

40 km s^{- 1}

east in

20 s

. The magnitude of average acceleration during this time is

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Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>Assignment>Q 6

Unit vector along _____ axis is

\hat{j}

.

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Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>Assignment>Q 7

Uniform circular motion is _____ dimensional motion.

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Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>Assignment>Q 24

The path of a projectile is

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Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>Assignment>Q 9

A vector when added to an equal and opposite vector of similar nature, gives _____ vectors.(Null/unit)