Home
Class 12
PHYSICS
A ball weighing 10g hits a hard surface ...

A ball weighing `10g` hits a hard surface vertically with a speed of `5m//s` and rebounds with the same speed The ball remains in contact with the surface speed The ball remains in contact with the surface for `0.01s` The average force exerted by the surface on the ball is .

A

100N

B

10N,16N

C

1N

D

0.1N

Text Solution

Verified by Experts

The correct Answer is:
B

`F_("avg")=(2xx(10)/(1000)xx5)/(0.01)=10N`
Promotional Banner

Topper's Solved these Questions

  • NEWTONS LAWS OF MOTION

    ALLEN|Exercise EXERCISE-III|28 Videos
  • NEWTONS LAWS OF MOTION

    ALLEN|Exercise EXERCISE-I|52 Videos
  • NEWTON'S LAWS OF MOTION & FRICTION

    ALLEN|Exercise EXERCISE (JA)|4 Videos
  • RACE

    ALLEN|Exercise Basic Maths (Wave Motion & Dopplers Effect) (Stationary waves & doppler effect, beats)|25 Videos

Similar Questions

Explore conceptually related problems

A ball weighing 10g hits a hard surface vertically with a speed of 5m/s and rebounds with the same speed. The ball remains in contact with the surface for 0.01s. The average force exerted by the surface on the ball is

A ball weighing 50g hits a hard surface normally with a speed of 25m/s and rebounds with the same speed. The ball remains in contact with the surface for 0.05s .The average force exerted by the surface on the ball is?

A 3.00 kg steel hall strikes the wall with a speed of 10.0 m//s at an angle of 60^(@) with the surface. It bounces off with the same speed and angle. If the ball is in contact with the wall for 0.200 s , what is the average force exerted by the wall on the ball?

A 3-kg steel ball strikes a wall with a speed of 10.0ms^(-1) at an angle of 60.0^(@) with the surfaces of the wall. The ball bounces off with the same speed and same angle. If the ball was in contact with the wall for 0.2s, find the average force exerted by the wall on the ball.

A golf player hits a golf ball of mass 100 g and imparts it a speed of 50 m/s. If golf stick remains in contact with the ball for 0.01 s, then the average force exerted by the golf stick on the ball.

A ball of mass 3kg moving with a speed of 100 m/s, strikes a wall at an angle 60^(@) (as shown in figure). The ball rebounds at the same speed and remains in contact with the wall for 0.2 s, the force exerted by the ball on the wall is

A 150 g ball, moving horizontally at 20m/s was hit straight back to bowler at 12m/s. If contact with bat lasted for 0.04 sec, then average force exerted by the bat on the ball is:-

A 3 kg ball strikes a heavy rigid wall with a speed of 10 ms^(-1) at an angle of 60^@ with the wall. It gets reflected with the same speed at 60^@ with the wall. If the ball is in contact with the wall for 0.2s , the average force exerted on the ball by the wall is

A ball of mass m strikes a rigid walJ with speed u and rebounds with the same speed. The impulse imparted to the ball by the wall is

ALLEN-NEWTONS LAWS OF MOTION-EXERCISE-II
  1. Drums of oil are carried in a truck. If a constant accleration is appl...

    Text Solution

    |

  2. A boy sitting on the top most berth in the compartment of a train whic...

    Text Solution

    |

  3. A ball weighing 10g hits a hard surface vertically with a speed of 5m/...

    Text Solution

    |

  4. A force-time graph for the motion of a body is shown in fig. change in...

    Text Solution

    |

  5. Newton's II law of motion connects:

    Text Solution

    |

  6. The distance x covered in time t by a body having initial velocity v(0...

    Text Solution

    |

  7. Working of rocket or jet is based on:-

    Text Solution

    |

  8. When a horse pulls a wagon, the force that causes the horse to move fo...

    Text Solution

    |

  9. A man is at rest in the middle of a pond on perfectly smooth ice. He c...

    Text Solution

    |

  10. A body A mass m(1) exerts a force on another body B of mass m(2) . If ...

    Text Solution

    |

  11. There are three Newton's laws of motion namely I, II and III : we can ...

    Text Solution

    |

  12. What would happen if gravity suddenly disappears?

    Text Solution

    |

  13. Two bodies of masses 4 kg and 5kg are acted upon by the same force. If...

    Text Solution

    |

  14. A jet water, whose cros section is 'a' strikes a wall making an angle ...

    Text Solution

    |

  15. Action and reaction:- (For a given system) (a) Act on the two diffe...

    Text Solution

    |

  16. When we kick a stone, we get hurt. Due to which one of the following p...

    Text Solution

    |

  17. Ten one-rupee coins are put on top each other on a table. Each coin ha...

    Text Solution

    |

  18. A mass of 6 kg is suspended by a rope of length 2m from a celling. A f...

    Text Solution

    |

  19. The force exerted by the floor of an elevator on the foot of a person ...

    Text Solution

    |

  20. A lift can move upward or downward. A light inextensible string fixed ...

    Text Solution

    |