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Two boats $A$ and $B$ having same speed relative to river are moving in a river. Boat $A$ moves normal to the river current as observed by an observer moving with velocity of river current. Boat $B$ moves normal. to the river as observed by the observer on the ground.

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Important Questions on Kinematics

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 234

A man who can swim at a rate of

2 km h^{- 1}

in still river crosses a river to a point exactly opposite on the other bank by swimming in the direction

120 °

to the flow of the water in the river. The velocity of the water current in

km h^{- 1}

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 235

During a rainstorm, raindrops are observed to be striking the ground at an angle

θ

with the vertical. A wind is blowing horizontally at the speed of

5.0 {ms}^{- 1}

. The speed of raindrops is

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 236

A car with a vertical windshield moves along in a rainstorm at the speed of

40 km h^{- 1} .

The rain drops fall vertically with a terminal speed of

20 m s^{- 1} .

The angle with the vertical at which the rain drops strike the wind shield is:

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 237

A man standing on a road hold his umbrella at 30° with the vertical to keep the rain away. He throws the umbrella and starts running at 10 km/hr. He finds that raindrops are hitting his head vertically, the speed of raindrops with respect to the road will be

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 238

It is raining vertically downwards with a velocity of

3 km h^{- 1}

. A man walks in the rain with a velocity of

4 km h^{- 1}

. The raindrops will fall on the man with a relative velocity of

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 239

A flag on a bus is fluttering in north direction and wind is blowing in east direction. Then which of the following will be true.

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Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 240

Rain seems to be falling to a person sitting in a bus moving uniformly eastwards with

10 {ms}^{- 1}

. It appears to come from vertical and hit the bus windows at a velocity

20 {ms}^{- 1}

. Find the velocity of rain drops with respect to ground.

HARD

NEET

IMPORTANT

Alpha Question Bank for Medical: Physics>Chapter 4 - Kinematics>Exercise-1>Q 241

Rain is falling vertically with a velocity of

3 {kmh}^{- 1} .

A man walks in the rain with a velocity of

4 {kmh}^{- 1} .

The rain drops will fall on the man with a velocity of

Two boats A and B having same speed relative to river are moving in a river. Boat A moves normal to the river current as observed by an observer moving with velocity of river current. Boat B moves normal. to the river as observed by the observer on the ground.

Important Questions on Kinematics

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Two boats $A$ and $B$ having same speed relative to river are moving in a river. Boat $A$ moves normal to the river current as observed by an observer moving with velocity of river current. Boat $B$ moves normal. to the river as observed by the observer on the ground.