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

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

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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>EXERCISE>Q 19

A bus appears to go with a speed of

25 km {hr}^{- 1}

to a car driver, driving at the rate

7 km {hr}^{- 1}

northwards. If the bus actually travels in east direction, its speed is

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Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>EXERCISE>Q 20

A displacement vector of magnitude

4

makes an angle

30 °

with the

x -

axis. Its rectangular components in

x - y

plane are

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Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>EXERCISE>Q 21

At the topmost point of a trajectory, its velocity and acceleration are at an angle of

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Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>EXERCISE>Q 26

If a stone projected from the ground, takes

4 s

to reach the topmost point of its trajectory, then the time of flight is:

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Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>EXERCISE>Q 28

The time of flight of an object projected with speed

20 m s^{- 1}

at an angle

30 °

with the horizontal, is

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Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>EXERCISE>Q 33

Angular speed of a uniformly circulating body with time period

T

is

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Gamma Question Bank for Medical Physics>Chapter 4 - Motion in a Plane>EXERCISE>Q 35

Speed of an object moving in circular path of radius

10 m

with angular speed

2 rad s^{- 1}

is

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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