Home
Class 9
PHYSICS
A tennis ball jumps higher at hills than...

A tennis ball jumps higher at hills than at planes. Explain.

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

The first ionisation enthalpy of nitrogen is higher than that of oxygen but the second ionisation enthalpy is higher in oxygen than that of nitrogen. Explain

Sodium chloride solution freezes at lower temparature than water but boils at higher temparature than water . Explain.

Ketones have higher boiling than aldehydes.Explain.

trans-But-2-ene has higher melting point than cis-But-2-ene. Explain.

Aldehydes are more reactive than Ketones. Explain.

The walls of ventricles are much thicker than atria. Explain.

MBD-GRAVITATION-Example
  1. Is the value of 'g' at a given place same for different bodies or it i...

    Text Solution

    |

  2. Why does a body becomes weightless at the centre of earth ?

    Text Solution

    |

  3. A tennis ball jumps higher at hills than at planes. Explain.

    Text Solution

    |

  4. The weight of an object on the surface of earth is 9.8 N. What does th...

    Text Solution

    |

  5. What type of motion a freely falling body execute under gravity ?

    Text Solution

    |

  6. Give points of difference between Acceleration due to gravity (g) and ...

    Text Solution

    |

  7. You buy weight of sugar at a place situated on equitorial line and the...

    Text Solution

    |

  8. Why cannot we move a finger without disturbing all the stars ?

    Text Solution

    |

  9. Distinguish between Gravitation and Gravity.

    Text Solution

    |

  10. Explain why a small piece of stone is not attracted towards another bi...

    Text Solution

    |

  11. The earth attracts an apple. Does the apple also attract with earth ? ...

    Text Solution

    |

  12. If the force of gravity somehow vanishes today, why would we be sent b...

    Text Solution

    |

  13. What is meant by density and relative density ?

    Text Solution

    |

  14. What do you mean by buoyancy? In which direction does the buoyant forc...

    Text Solution

    |

  15. State Archimedes' principle.

    Text Solution

    |

  16. Name two forces which act on a body immersed in a liquid. Give the dir...

    Text Solution

    |

  17. How is submarine able to move on water surface as well as go under wat...

    Text Solution

    |

  18. Give reason when Big buildings and dams have wide foundations for safe...

    Text Solution

    |

  19. A steel needle sinks in water but a steel ship floats. Explain how ?

    Text Solution

    |

  20. Give reasons for the following :A sharp blade is more effective in cut...

    Text Solution

    |