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IMPORTANT
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A tiger running 100 m race, accelerates for one-third time of the total time and then moves with uniform speed. Then find the total time taken by the tiger to run 100 m if the acceleration of the tiger is 8 m s-2.

Important Questions on Kinematics

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JEE Main/Advance
IMPORTANT
Alpha Question Bank for Engineering: Physics>Chapter 4 - Kinematics>Exercise - 1>Q 62
A hall has the dimensions of 10 m×10 m×10 m. A fly starting at one corner ends up at the farthest corner. The magnitude of its displacement is,
MEDIUM
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IMPORTANT
Alpha Question Bank for Engineering: Physics>Chapter 4 - Kinematics>Exercise - 1>Q 63
A car travels from A to B at a speed of 20 km h-1 and returns at a speed of 30 km h-1. The average speed of the car for the whole journey is:
 
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Alpha Question Bank for Engineering: Physics>Chapter 4 - Kinematics>Exercise - 1>Q 64
A person travelling on a straight line without changing direction moves with a uniform speed v1 for half distance and next half distance he covers with uniform speed v2. The average speed v is given by 
 
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Alpha Question Bank for Engineering: Physics>Chapter 4 - Kinematics>Exercise - 1>Q 65
A body covers first 13 part of its journey with a velocity of 2 m s-1, next 13 part with a velocity of 3 m s-1 and the rest of the journey with a velocity 6 m s-1. The average velocity of the body will be 
 
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IMPORTANT
Alpha Question Bank for Engineering: Physics>Chapter 4 - Kinematics>Exercise - 1>Q 66
A car runs at constant speed on a circular track of radius 100 m taking 62.8 s on each lap. What is the average speed and average velocity on each complete lap? (π=3.14)
EASY
JEE Main/Advance
IMPORTANT
Alpha Question Bank for Engineering: Physics>Chapter 4 - Kinematics>Exercise - 1>Q 67
The displacement of a body is given by 2s=gt2 where g is a constant. The velocity of the body at any time t is:
EASY
JEE Main/Advance
IMPORTANT
Alpha Question Bank for Engineering: Physics>Chapter 4 - Kinematics>Exercise - 1>Q 68
A stone is thrown vertically upward with an initial speed u from the top of a tower, reaches the ground with a speed 3u. The height of the tower is:
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Alpha Question Bank for Engineering: Physics>Chapter 4 - Kinematics>Exercise - 1>Q 69
A particle starts from rest with uniform acceleration a. Its velocity after n seconds is v. The displacement of the particle in the last two seconds is: