Home
Class 11
PHYSICS
A body of mass 10 kg is upon by a force ...

A body of mass 10 kg is upon by a force given by equation `F=(3t^(2)-30)` newtons. The initial velocity of the body is 10 m/s. The velocity of the body after 5 sec. is

A

4.5 m/s

B

6 m/s

C

7.5 m/s

D

5 m/s

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • FORCE

    TARGET PUBLICATION|Exercise Evaluation Test|18 Videos

  • FORCE

    TARGET PUBLICATION|Exercise Competitive Theinking (4.10 Conditions of equilibrium of a rigid body)|1 Videos

  • ELECTROSTATICS

    TARGET PUBLICATION|Exercise EXCERCISE|156 Videos

  • FRICTION IS SOLIDS AND LIQUIDS

    TARGET PUBLICATION|Exercise MCQ (EVALUATION TEST)|21 Videos

Similar Questions

Explore conceptually related problems

Solve the following examples: (numerical problems) A body moves in a Straight line with a uniform acceleration of 2 m/s^2 . If the initial velocity of the body is 10 m/s , find the velocity of the body after covering 75 m and the time taken by the body to attain this velocity.

Solve the following examples: (numerical problems) A body of mass 1 kg, moving with a velocity of 4 m/s collides with a body of mass 0.5 kg moving with a velocity of 2 m/s . If the velocity of the first body after collision is 8/3 m/s , find the velocity of the second body after collision.

A body of mass 2 kg collides with a body of mass 1 kg. Their initial velocities are 6 m/s and 4 m/s respectively. If the velocity of the first body after collision is : (14)/3 m/s , find the velocity of the second body after collision.

Solve the following examples: (numerical problems) A body moves in a straight line with a uniform acceleration. If the initial velocity of the body is 5 m/s and the velocity after 10 s is 15 m/s, find the acceleration of the body and

A body of mass 20 kg is initially at rest. A force of 10 N is applied to the body. Find the velocity of the body after 10 seconds and the distance covered by it in the ten seconds on application of the force.

A body moves with a uniform acceleration of 3 m//s^(2) After 10 seconds, its velocity becomes 50 m//s . Find the initial velocity of the body.

A body of mass 2 kg travels with a velocity of 8 m//s makes a head on collision with another body having mass 4 kg, which is travelling in the same direction with a velocity of 1 m//s . Calculate the velocities of the two bodies after collision. Find the loss in kinetic energy of the system. (Given e = 0.5)

Choose the correct options A body of mass 2 kg, travelling at 4 m//s makes a head-on collision with a body of mass 1 kg travelling in the opposite direction with a velocity of 2 m//s , the velocities of the two bodies after collision are____ A. v 1 = 6 m / s , v 2 = 6 m / s B. v 1 = 0 , v 2 = 0 C. v 1 = 0 m / s , v 2 = 6 m / s D. v 1 = 6 m / s ,v 2 =0

A body of mass10 kg ismoving in a circle of radius 1 m with an angular velocity of 2 rad/s. The centripetal force is

A body of mass 5 gm is executing S.H.M. about a point with amplitude 10 cm. If its maximum velocity is 100 cm/s then its velocity will be 50 cm/s at a distance of

TARGET PUBLICATION-FORCE -Competitive Theinking (Miscellaneous)
  1. A string of negligible mass going over a clamped pulley of mass m supp...

    Text Solution

    |

  2. A plumb line is suspended from a ceiling of a car moving with horizont...

    Text Solution

    |

  3. A body of mass 10 kg is upon by a force given by equation F=(3t^(2)-30...

    Text Solution

    |

  4. The velocity (v) of a particle (under a force F) depends on its distan...

    Text Solution

    |

  5. A body of mass m=10^(2) kg is moving in a medium and experiences a fr...

    Text Solution

    |

  6. A light string passing over a smooth light pulley connects two blocks ...

    Text Solution

    |

  7. A body of mass m = 3.513 kg is moving along the x-axis with a speed of...

    Text Solution

    |

  8. A nucleus of uranium decays at rest into nuclei of thorium and helium....

    Text Solution

    |

  9. If a street light of mass M is suspended from the end of a uniform rod...

    Text Solution

    |

  10. Two spherical bodies of mass M and 5M & radii R & 2R respectively are ...

    Text Solution

    |

  11. A ball is released from the top of a tower. The ratio of work done by ...

    Text Solution

    |

  12. Hammer of mass M strikes a nail of mass 'm' with a velocity 20 m/s int...

    Text Solution

    |

  13. Two particle A and B initially at rest, move towards each other under ...

    Text Solution

    |

  14. Two particles of equal mass have velocities vec v1 = 2 hat i= m//s^-1 ...

    Text Solution

    |

  15. Assertion : If there is no external torque on a body about its centre ...

    Text Solution

    |

  16. Assertion:A table cloth can be pulled from a table without dislodging ...

    Text Solution

    |

  17. A block of mass m is placed on a smooth inclined wedge ABC of inclinat...

    Text Solution

    |

  18. Two blocks of equal mass are released on two smooth sides of a duble i...

    Text Solution

    |

  19. A body of mass (4m) is laying in xy-plane at rest. It suddenly explode...

    Text Solution

    |

  20. A partical of mass m is driven by a machine that deleveres a constant ...

    Text Solution

    |