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If a body loses half of its velocity on penetrating 3cm in a wooden block, then how much will it penetrate more before coming to rest?

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Important Questions on Kinematics

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 4

Choose the correct statement from the following :

Weightlessness of an astronaut moving in a satellite is a situation of -

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 5
A solid sphere and a hollow sphere are thrown horizontally from a cliff with equal velocities, respectively. Then which sphere reaches first on earth ?
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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 6
A man is in a moving train, then with respect to train :
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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 7
A particle moves in a plane with constant acceleration in a direction different from the initial velocity. The path of the particle is
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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 8
A ball is thrown upwards and it returns to ground describing a parabolic path. Which of the following remains constant?
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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 9
At the top of the trajectory of ground to ground projectile, the direction of its velocity and acceleration are
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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 10
At the top of the trajectory of a projectile, the acceleration is 
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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 11
A ball is thrown at an angle of 60° to the horizontal. It falls on the ground at a distance of 90 m. If the ball is thrown with the same initial speed at an angle 30° to the vertical, it will fall on the ground at a distance of-