EASY

11th ICSE

IMPORTANT

Earn 100

A boy standing on the top of a $40 m$ high building projects a stone vertically upwards with an initial velocity of $10 m s^{- 1}$ . The stone eventually falls to the ground. With what velocity will it strike the ground?

Important Questions on Motion in One and Two Dimensions

MEDIUM

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 8 - Motion in One and Two Dimensions>NUMERICALS>Q 17

A balloon, going upwards with a velocity of

12 m s^{- 1}

, is at a height of

65 m

from the earth at any instant. Exactly at this instant a packet drops from it. How much time will the packet take in reaching the earth?

MEDIUM

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 8 - Motion in One and Two Dimensions>NUMERICALS>Q 18

An astronaut jumps from an aeroplane. After he had fallen

40 m

, then his parachute opens. Now he falls with a retardation of

2.0 m s^{- 2}

and reaches the earth with a velocity of

3.0 m s^{- 1}

. What was the height of the aeroplane? For how long astronaut remained in air?

MEDIUM

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 8 - Motion in One and Two Dimensions>NUMERICALS>Q 19

When a balloon rising vertically upwards at a velocity of

10 m s^{- 1}

is at a height of

45 m

from the ground, a parachutist bails out from the balloon. After

3 s

, he opens the parachute and decelerates at a constant rate of

5 m s^{- 2}

. What is the height of the parachutist above the ground when he opens the parachute?

MEDIUM

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 8 - Motion in One and Two Dimensions>NUMERICALS>Q 19

When a balloon rising vertically upwards at a velocity of

10 m s^{- 1}

is at a height of

45 m

from the ground, a parachutist bails out from the balloon. After

3 s

, he opens the parachute and decelerates at a constant rate of

5 m s^{- 2}

. What is the height of the parachutist above the ground when he opens the parachute? How far is he from the balloon at this instant?

MEDIUM

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 8 - Motion in One and Two Dimensions>NUMERICALS>Q 19

When a balloon rising vertically upwards at a velocity of

10 {ms}^{- 1}

is at a height of

45 m

from the ground, a parachutist bails out from the balloon. After

3 s

, he opens the parachute and decelerates at a constant rate of

5 {ms}^{- 2}

. With what velocity does he strike the ground?

MEDIUM

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 8 - Motion in One and Two Dimensions>NUMERICALS>Q 19

When a balloon rising vertically upwards at a velocity of

10 {ms}^{- 1}

is at a height of

45 m

from the ground, a parachutist bails out from the balloon. After

3 s

, he opens the parachute and decelerates at a constant rate of

5 {ms}^{- 2}

. What time does he take in striking the ground after his exit from the balloon?

MEDIUM

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 8 - Motion in One and Two Dimensions>NUMERICALS>Q 20

A rocket is fired vertically up from the ground with a resultant vertical acceleration of

10 m s^{- 2}

. The fuel is finished in

1

minute and the rocket continues to move up. After how much time from then will the maximum height be reached?

HARD

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 8 - Motion in One and Two Dimensions>NUMERICALS>Q 21

A rocket, when fired, rises up with an acceleration of

20 m s^{- 2}

for the first

1.0

minute. After this its fuel is finished and it goes on rising up just like a free body. Up to what maximum height will it rise? How much total time will it take before falling on earth?

A boy standing on the top of a 40 m high building projects a stone vertically upwards with an initial velocity of 10 ms-1. The stone eventually falls to the ground. With what velocity will it strike the ground?

Important Questions on Motion in One and Two Dimensions

Learn and Prepare for any exam you want !

A boy standing on the top of a $40 m$ high building projects a stone vertically upwards with an initial velocity of $10 m s^{- 1}$ . The stone eventually falls to the ground. With what velocity will it strike the ground?