Home
Class 12
PHYSICS
A small solid sphere of radius r rolls d...

A small solid sphere of radius `r` rolls down an incline without slipping which ends into a vertical loop of radius `R`. Find the height above the base so that it just loops the loop

A

2.1 R

B

2.3 R

C

2.7 R

D

2.5 R

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • NTA JEE MOCK TEST 85

    NTA MOCK TESTS|Exercise PHYSICS|25 Videos
  • NTA JEE MOCK TEST 87

    NTA MOCK TESTS|Exercise PHYSICS|25 Videos

Similar Questions

Explore conceptually related problems

A solid sphere having mass m and radius r rolls down an inclined plane. Then its kinetic energy is

A small solid marble of mass M and radius r rolls down along the loop track, without slipping. Find the height h above the base, from where it has to start rolling down the incline such that the sphere just completes the vertical circular loop of radius R .

A body slides down an inclined surface which ends into a vertical loop of radius R = 40cm. What must be the height H of the inclined surface for the body so that it does not leave contact with the surface even at the uppermost point of the loop? Assume friction to be absent.

A solid sphere (radius = R) rolls without slipping in a cylindrical throuh (radius = 5R) . Findthe time period of small oscillations.

A solid cylinder of mass M and radius R rolls down an inclined plane of height h without slipping. The speed of its centre when it reaches the bottom is.

A sphere of mass m and radius r rolls on a horizontal plane without slipping with a speed u . Now it rolls up vertically, then maximum height it would be attain will be

A solid sphere of mass M and radius R, rolling down a smooth inclined plane, without slipping, reaches the bottom with a velocity v. What is the height of the inclined plane in terms of the velocity v ?

A spherical shell of radius R is rolling down an incline of inclination theta without slipping. Find minimum value of coefficient of friction.

NTA MOCK TESTS-NTA JEE MOCK TEST 86-PHYSICS
  1. Two capacitors C(1) and C(2) in a circuit are joined as shown. If V(A)...

    Text Solution

    |

  2. A long wire carries a steady curent . It is bent into a circle of one ...

    Text Solution

    |

  3. Two seconds after projection, a projectile is travelling in a directio...

    Text Solution

    |

  4. A wooden wedge of mass M and inclination anlgle(alpha) rest on a smoot...

    Text Solution

    |

  5. If a proton and anti-proton come close to each other and annihilate, h...

    Text Solution

    |

  6. In an experiment , to find the loss of energy with respect to time in ...

    Text Solution

    |

  7. In an experiment on photoelectric emission from a metallic surface ,w...

    Text Solution

    |

  8. The lower end of a glass capillary tube is dipped in water. Water rise...

    Text Solution

    |

  9. A small solid sphere of radius r rolls down an incline without slippin...

    Text Solution

    |

  10. For CE transistor amplifier, the audio signal voltage across the colle...

    Text Solution

    |

  11. A body takes 10 minutes to cool from 60^(@)C to 50^(@)C. The temperatu...

    Text Solution

    |

  12. The potential energy of a particle varies with distance x from a fixed...

    Text Solution

    |

  13. In a double slit experiment, the two slits are 1 mm apart and the scre...

    Text Solution

    |

  14. A train moves towards a stationary observer with speed 34 m//s. The tr...

    Text Solution

    |

  15. The potential energy of a particle of mass 5 kg moving in the x-y plan...

    Text Solution

    |

  16. The emf of a cell is 6 V and internal resistance is 0.5 kOmega. What w...

    Text Solution

    |

  17. Two coils are at fixed location: When coil 1 has no corrent and the cu...

    Text Solution

    |

  18. Consider the vernier calipers as shown, the instrument has no zero err...

    Text Solution

    |

  19. Fig. shows a horzontal cylindrical container of length 30 cm, which is...

    Text Solution

    |

  20. A double convex thin lens made of the refractive index 1.6 has radii o...

    Text Solution

    |