Home
Class 11
PHYSICS
A body is projected with an initial Velo...

A body is projected with an initial Velocity 20 m/s at 60° to the horizontal. Its initial velocity vector is- (g=10 `m//s^2`)

A

`10i - 20 j`

B

`10sqrt(3)I + 10 j`

C

`10 I + 10sqrt(3)j`

D

`5i + 5sqrt(3) j`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MOTION IN A PLANE

    AAKASH SERIES|Exercise Exercise -II|135 Videos

  • MECHANICAL PROPERTIES OF SOLIDS

    AAKASH SERIES|Exercise EXERCISE - 3|26 Videos

  • MOTION IN A STRAIGHT LINE

    AAKASH SERIES|Exercise Questions for Descriptive Answers|7 Videos

Similar Questions

Explore conceptually related problems

A body is projected with an initial Velocity 20 m/s at 60° to the horizontal. Its velocity after 1 sec is

A body is projected with a velocity 60 ms^(-1) at 30° to horizontal. Its initial velocity vector is

A body is projected with an initial velocity of 58.8 m/s at angle 60° with the vertical. The vertical component of velocity after 2 sec is

A body is projected with a velocity of 10 m//s at 45^(@) to the horizontal . The velocity of the projectile when it moves at 30^(@) to the horizontal is

AAKASH SERIES-MOTION IN A PLANE -Practice Exercise
  1. A boat moves perpendicular to the bank with a velocity of 7.2 km/h. Th...

    Text Solution

    |

  2. A swimmer is capable of swimming at 1.65ms- in still water. If he swim...

    Text Solution

    |

  3. A body is projected with an initial Velocity 20 m/s at 60° to the hori...

    Text Solution

    |

  4. A body is projected with an initial Velocity 20 m/s at 60° to the hori...

    Text Solution

    |

  5. A bullet is projected upwards from the top of a tower of height 90 m w...

    Text Solution

    |

  6. Astone is projected from the ground with a velocity of 20 m/s at angle...

    Text Solution

    |

  7. The horizontal and vertical displacements of a projectile at time t ar...

    Text Solution

    |

  8. A body is projected with velocity 24 ms^(-1) making an angle 30° with ...

    Text Solution

    |

  9. A body projected with velocity 30 ms^(-1) reaches its maximum height ...

    Text Solution

    |

  10. The potential energy of a projectile at its maximum height is equal to...

    Text Solution

    |

  11. Two bodies are thrown at angles theta and (90- theta ) from the sa...

    Text Solution

    |

  12. The minimum and maximum velocities of a projectile are 10ms^(-1) and 2...

    Text Solution

    |

  13. A body is projected with an initial velocity of 58.8 m/s at angle 60° ...

    Text Solution

    |

  14. A body is projected at 60° with the horizontal with velocity of 10sqrt...

    Text Solution

    |

  15. If the equation of motion of a projectile is y = 3x -1/8 x^(2), the ra...

    Text Solution

    |

  16. The time of flight of a projectile is related to its horizontal range ...

    Text Solution

    |

  17. The velocity at the maximum height of a projectile is sqrt(3)/2 time...

    Text Solution

    |

  18. A ball is projected at an angle 30° with the horizontal with the veloc...

    Text Solution

    |

  19. A body is projected at angle 30° to the horizontal with a velocity 50 ...

    Text Solution

    |

  20. A boy throws a ball with a velocity of 15 m/s at an angle of 15° with ...

    Text Solution

    |