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Six persons of same mass travel with same speed $u$ along a regular hexagon of side ’ $d$ ’ such that each one always faces the other. After how what will they meet each other ?

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Important Questions on Kinematics

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise (Previous Year Questions)>Q 5

A person walks up a stalled escalator in

90 \sec

. He is carried in

60 s

, when standing on the same escalator which is now moving. The time he would take to walk up the moving escalator will be

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise (Previous Year Questions)>Q 6

A jet air plane travelling with a speed of

500 km h^{- 1}

ejects its products of combustion with a speed of

1500 km h^{- 1}

relative to the jet plane. The speed of the latter with respect to an observer on the ground is

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise (Previous Year Questions)>Q 7

A train of

150 m

length is running towards north at a speed of

10 {ms}^{- 1}

. A parrot flies at a speed of

5 {ms}^{- 1}

towards south parallel to the railway track. The time taken by the parrot to cross the train is equal to

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise (Previous Year Questions)>Q 8

Two trains each

50 m

long, are travelling in opposite directions with respective velocities

10 {ms}^{- 1}

and

15 {ms}^{- 1}

. The time of crossing is

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise (Previous Year Questions)>Q 9

Two cars are moving in the same direction with the same speed of

30 km h^{- 1}

. They are separated by

5 km

. What is the speed of a car moving in the opposite direction if it meets the two cars at an interval of

4

minute ?

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise (Previous Year Questions)>Q 10

A stone is thrown upwards and it rises to a height of

200 m

. The relative velocity of the stone with respect to the earth will be maximum at

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise (Previous Year Questions)>Q 11

A bus starts from rest moving with an acceleration of

2 {ms}^{- 2}

. A cyclist,

96 m

behind the bus starts simultaneously towards the bus at

20 {ms}^{- 1}

. After what time will he be able to overtake the bus

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Beta Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise (Previous Year Questions)>Q 12

A train is moving towards East with a speed

20 {ms}^{- 1}

. A person is running on the roof of the train with a speed

3 m s^{- 1}

against the motion of train. Velocity of the person as seen by an observer on ground will be :

Six persons of same mass travel with same speed u along a regular hexagon of side ’d’ such that each one always faces the other. After how what will they meet each other ?

Important Questions on Kinematics

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Six persons of same mass travel with same speed $u$ along a regular hexagon of side ’ $d$ ’ such that each one always faces the other. After how what will they meet each other ?