Home
Class 12
PHYSICS
An insect is at the bottom of a hemisphe...

An insect is at the bottom of a hemispherical ditch of radius 1 m. It crawls up the ditch but starts slipping after it is at height h from the bottom . If the coefficient of friction between the ground and the insect is 0.75 , then h is : `(g = 10 ms^(-2))`

A

0.20 m

B

0.45 m

C

0.60 m

D

0.80 m

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • JEE MAINS

    JEE MAINS PREVIOUS YEAR|Exercise Chemistry|1 Videos

  • JEE MAINS 2021

    JEE MAINS PREVIOUS YEAR|Exercise Physics (Section B )|10 Videos

Similar Questions

Explore conceptually related problems

A body is kept on a horizontal disc of radius 2 m at a distance of 1 m from the centre . The coefficient of friction between the body and the surface of disc is 0.4. The speed of rotation of the disc at which the body starts slipping is (g=10 m//s^2 )

Fing the maximum speed with which an automobile can round a curve of radius 8 m without slipping of the road is unbanked and he coefficient of friction between the orad an the tyres is 0.8 (g=10 m//^(2))

A body of mass m falls from height h, on the ground, If e is the coefficient of restitution between body and the ground, then the height upto which it rises after ten collisions is

A car starts from rest at time t = 0 and it a-t graph is shown in figure. A coin is initially at rest on the floor of the car. At t = 1 s the coin begins to slip and it stops slipping at t = 3 s. The coefficient of static friction between the floor and the coin is (g = 10 m/ s^2 )

An object of mass m is slowly pushed some partway up a verticle up a verticle loop ending at a point a height h lt R above the bottom. The coefficient of friction between the object and the track is a constant mu. Find work that has to be done against friction.

The maximum speed with which a car driven round a curve of radius 18 m without skidding (where , g=10ms^(-2) and the coefficient of friction between rubber tyres and the roadway is 0.2)is

A house is built on the top of a hill with 45^(@) slope Due to the sliding of meterial and sand top from top to the bottom of till , the slip angle has been redaced if the coefficient of static friction between sand particles is 0.75 what is the final angle attated by bill ? (tan^(-1) 0.75= 37^(@))

A body is allowed to fall on the ground from a height h_(1) . If it is rebound to a height h_(2) then the coefficient of restitution is:

A body of mass m starts from rest down a plane of length l at an angle theta with the horizontal. (a) find the body's speed at the bottom (b) How far will it slide horizontally on a similar surface after reaching the bottom of the incline. The coefficient of friction between the body and the plane is mu .

JEE MAINS PREVIOUS YEAR-JEE MAINS 2020-PHYSICS
  1. For the given input voltage wavelength V("in")(t) , the output voltage...

    Text Solution

    |

  2. A particle of charge q and mass m is moving with a velocity -v hati (v...

    Text Solution

    |

  3. An insect is at the bottom of a hemispherical ditch of radius 1 m. It ...

    Text Solution

    |

  4. A satellite is in an elliptical orbit around a planet P. It is observe...

    Text Solution

    |

  5. An electron, a doubly ionized helium ion (He^(+ +)) and a proton are h...

    Text Solution

    |

  6. A clock has a continuously moving second's hand of 0.1 m length. The a...

    Text Solution

    |

  7. You are given that mass of ""(3)^7Li = 7.0160 u, Mass of ""(2)^(4)...

    Text Solution

    |

  8. A point like object is placed at a distance of 1 m in front of a conve...

    Text Solution

    |

  9. Identify the correct output signal Y in the given combination of gates...

    Text Solution

    |

  10. Molecules of an ideal gas are known to have three translational degree...

    Text Solution

    |

  11. An object of mass m is suspended at the end of a massless wire of leng...

    Text Solution

    |

  12. An electron is moving along +x direction with a velocity of 6 xx 10^6 ...

    Text Solution

    |

  13. The density of a solid metal sphere is determined by measuring its mas...

    Text Solution

    |

  14. After a totally inelastic collision, two objects of the same mass and ...

    Text Solution

    |

  15. Suppose that intensity of a laser is ((315)/(pi)) W//m^2 . The rms ele...

    Text Solution

    |

  16. Initially a gas of diatomic molecules is contained in a cylinder of vo...

    Text Solution

    |

  17. A part of a complete circuit is shown in the figure . At some instant ...

    Text Solution

    |

  18. If momentum (p), area (A) and time(t) are taken to be fundamental quan...

    Text Solution

    |

  19. Two uniform circular discs are rotating independently in the same dire...

    Text Solution

    |

  20. A particle is moving 5 times as fast as an electron. The ratio of the ...

    Text Solution

    |