Home
Class 9
PHYSICS
A ball is thrown upwards from a point A....

A ball is thrown upwards from a point A.It reechec up to the highest point B and returns.

A

Kinetic energy at A= kinetic energy at B

B

Potential energy at A= potential energy at B

C

Potential energy at B= kinetic energy at B

D

Potential energy at B= kinetic energy at A

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

A ball is thrown vertically upwards. What is its momentum at the highest point?

If a ball is thrown upwards from the surface of earth :

A ball is thrown vertically upwards from the ground. It crosses a point at the height of 25 m twice at an interval of 4 secs. The ball was thrown with the velocity of

A ball is thrown vertically upwards from the ground It crosses a point at the height of 25 m twice at an interval of 4 secs . The ball was thrown with the velocity of.

A projectile A is thrown at an angle 30^(@) to the horizontal from point P. At the same time, another projectile B is thrown with velocity v_(2) upwards from the point Q vertically below the highest point A would reach. For B to collide with A the ratio (v_(2))/(v_(1)) should be

A particle is projected with a speed V from a point O making an angle of 30^(@) with the vertical. At the same instant, a second particle is thrown vertically upwards with a speed v from a point A. The two particle reach H, the highest point own the parabolic path of particle one simultaneously. Then ratio V/v is-

A ball is thrown vertiocally upwards with some speed. It reaches two points A and B one after another such that heights of A and B are one fourth and three-fourth of the maximum height attained. If the total time of flight if T. the maximum time taken by the ball to travel from A and B, is:-

A ball is thrown straight upward with a speed v from a point h meter above the ground. The time taken for the ball to strike the ground is

A ball is thrown vertically upwards from ground with such a speed so that it just reaches the top of a building and then falls back. If it takes 7s for the ball to return to the hands of thrower. Calculate the height of the building approximately.

A ball is thrown in upwards direction then the force(s) acting on it is (are)

HC VERMA-WORK, ENERGY AND POWER-QUESTION BANK
  1. In which of the following cases is the potential energy of a spring mi...

    Text Solution

    |

  2. A particle of mass 100 g moves at a speed of 1 m/s. Its kinetic energy...

    Text Solution

    |

  3. A ball is thrown upwards from a point A.It reechec up to the highest p...

    Text Solution

    |

  4. A body of mass 2 kg is dropped from a height of 1 m. It s kinetic as i...

    Text Solution

    |

  5. Two bodies of unequal masses are dropped from a cliff. At any instant,...

    Text Solution

    |

  6. When the speed of a particle is doubled, its kinetic energy

    Text Solution

    |

  7. When the speed of a particle is doubled, the ratio of its kinetic ener...

    Text Solution

    |

  8. The unit of power is

    Text Solution

    |

  9. A person A does 500 J of work in 10 minutes and another person B does ...

    Text Solution

    |

  10. Mark the statement true(T) or false (F): Work and energy have differe...

    Text Solution

    |

  11. Mark the statement true(T) or false (F): A stone tied to a string is ...

    Text Solution

    |

  12. Mark the statement true(T) or false (F): When an aeroplane takes off,...

    Text Solution

    |

  13. Mark the statement true(T) or false (F): The potential energy of a sp...

    Text Solution

    |

  14. Mark the statement true(T) or false (F): When negative work is done b...

    Text Solution

    |

  15. Mark the statement true(T) or false (F): A person stands for a long t...

    Text Solution

    |

  16. Mark the statement true(T) or false (F): When a body falls, its kinet...

    Text Solution

    |

  17. Mark the statement true(T) or false (F): A rubber band has more poten...

    Text Solution

    |

  18. A 2-kg body is sliding up an inclined plane of inclination 30^@. Find ...

    Text Solution

    |

  19. A ball of mass 1 kg is dropped from a height of 5 m. What is its speed...

    Text Solution

    |

  20. A 1000-W heater is used for 1 hour every day for 30 days . Find the co...

    Text Solution

    |