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Two blocks of masses 8kg and 4 kg respectively are connected by a string as shown. Calculate their accelerations if they are initially at rest on the floor, after a force of 100N is applied on the pulley in the upward direction (g = 10 m/s2)

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Important Questions on Kinematics

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>BEGINNER'S BOX - 6>Q 6
A car moving along a straight highway with a speed of 126 km h-1is brought to a stop within a distance of 200 m. What is the retardation of the car (assumed uniform), and how long does it take for the car to stop?
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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>BEGINNER'S BOX - 6>Q 7
A car is moving with speed u. Driver of the car sees red traffic light. His reaction time is t, then find out the distance travelled by the car after the instant when the driver decided to apply brakes. Assume uniform retardation ‘a’ after applying brakes.
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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>BEGINNER'S BOX - 6>Q 8
If a body starts from rest and travels 120 cm in the 6th second then what is the acceleration ?
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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>BEGINNER'S BOX - 6>Q 9
s-t graph of two particles A and B are shown in fig. Find the ratio of velocity of A to velocity of B.

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>BEGINNER'S BOX - 6>Q 10
Position-time graph of a particle in motion is shown in fig. Calculate -
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Total distance covered :
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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>BEGINNER'S BOX - 6>Q 11
Position-time graph of a particle in motion is shown in fig. Calculate -
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Displacement :
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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>BEGINNER'S BOX - 6>Q 12
Position-time graph of a particle in motion is shown in fig. Calculate -

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Average speed :

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>BEGINNER'S BOX - 6>Q 13
Position-time graph of a particle in motion is shown in fig. Calculate -

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Average velocity :