MEDIUM

11th ICSE

IMPORTANT

Earn 100

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?

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 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?

EASY

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 8 - Motion in One and Two Dimensions>NUMERICALS>Q 22

Two bullets are fired with horizontal velocities of

50 m s^{- 1}

and

100 m s^{- 1}

from two guns at a height of

19.6 m

. Will both the bullets strike the ground?

EASY

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 8 - Motion in One and Two Dimensions>NUMERICALS>Q 22

Two bullets are fired with horizontal velocities of

50 m s^{- 1}

and

100 m s^{- 1}

from two guns at a height of

19.6 m

. Will both the bullets strike the ground? If yes, then after how much time and which bullet will strike first?

MEDIUM

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 8 - Motion in One and Two Dimensions>NUMERICALS>Q 22

Two bullets are fired with horizontal velocities of

50 m s^{- 1}

and

100 m s^{- 1}

from two guns at a height of

19.6 m

. What would be the path of the bullets?

EASY

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 8 - Motion in One and Two Dimensions>NUMERICALS>Q 23

A bomb is fired horizontally with a velocity of

20 m s^{- 1}

from the top of a tower

40 m

high After how much time and at what horizontal distance from the tower will the bomb strike the ground?

EASY

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 8 - Motion in One and Two Dimensions>NUMERICALS>Q 24

A ball is thrown with a velocity of

15 m s^{- 1}

at an angle of

30 °

with the horizontal. Determine the time of flight of the ball.

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?

Important Questions on Motion in One and Two Dimensions

Learn and Prepare for any exam you want !

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?