Home
Class 9
PHYSICS
During a free fall K.E1 + P.Ei + = K.Ef+...

During a free fall `K.E_1 + P.E_i + = K.E_f+________`. Here I = initial and f = final.

Promotional Banner

Topper's Solved these Questions

  • WORK AND ENERGY

    MODERN PUBLICATION|Exercise EXERCISE|191 Videos
  • SOUND

    MODERN PUBLICATION|Exercise EXERCISE|137 Videos

Similar Questions

Explore conceptually related problems

If y=e^(x) + x f i n d dy/dx.

What is the ratio of translational K.E. to the total K.E. of a rolling body?

A rain drop of mass 1.00 g falling from a height of 1 km hits the ground with a speed of 50 ms^-1 . Calculate. Is the gain in K.E. equal to loss of P.E.? If not, why?

A battery of e.m.f E and internal resistance r sends a current I_1 and I_2 , when connected to an external resitance of R_1 and R_2 respectively. Find the e.m.f and internal resistance o the battery.

Draw a graph to show the variation s of P.E., K.E. and total energy of a simple harmonic oscillator with displacement.

If E and F are two events such that P (E) = 1/4 , P (F)= 1/2 and P(E and F) = 1/8 , find : P (E or F).

Evaluate P(E U F), if P(E) = 3/4 , P(F) = 2/5 and P(E/F) = 5/4

If E and F are the complementary events of events E and F , respectively, and if P(F) in [0,1]

MODERN PUBLICATION-WORK AND ENERGY-EXERCISE
  1. The point of minimum kinetic energy in case of oscillating pendulum is...

    Text Solution

    |

  2. Graphically show the variation of potential energy of a freely falling...

    Text Solution

    |

  3. During a free fall K.E1 + P.Ei + = K.Ef+. Here I = initial and f = fin...

    Text Solution

    |

  4. A body is thrown vertically upwards. During it srise the potential ene...

    Text Solution

    |

  5. Name five devices and the energy conversion that takes place in the de...

    Text Solution

    |

  6. A 2 kg ball is dropped from a height of 1. Find its kinetic energy jus...

    Text Solution

    |

  7. A body is thrown up with a kinetic energy 100 J. Find the potential en...

    Text Solution

    |

  8. Find the height attained by the body when a bodyis thrown up with a ki...

    Text Solution

    |

  9. What is the difference between kW and kWh?

    Text Solution

    |

  10. Work can the converted into energy (T or F)

    Text Solution

    |

  11. 1 kWh = J

    Text Solution

    |

  12. The commercial unit of electricity in kWh , what is the value of 1kWh ...

    Text Solution

    |

  13. Power is of doing work with respect to time.

    Text Solution

    |

  14. 1 W.s = J.

    Text Solution

    |

  15. What is the relationship between power force and velocity?

    Text Solution

    |

  16. If a lift can move a load of 5000 kg with a speed of 1ms^-1, where is ...

    Text Solution

    |

  17. If a man lifts a load up with the help of rope such that it raises the...

    Text Solution

    |

  18. Find the time required to spent and energy of 100 J by a machine of po...

    Text Solution

    |

  19. kg m^2s^-2 is the unit of

    Text Solution

    |

  20. 9800 J of energy was spend to raise a mass of 50 kg. The mass was rais...

    Text Solution

    |