Home
Class 11
PHYSICS
A boy throws a ball upward with velocity...

A boy throws a ball upward with velocity `v_(0)=20m//s`. The wind imparts a horizontal acceleration of `4m//s^(2)` to the left. The angle `theta` at which the ball must be thrown so that the ball returns to the boy's hand is : `(g=10ms^(-2))`

A

`tan^(-1)(1.2)`

B

`tan^(-1)(0.2)`

C

`tan^(-1)(2)`

D

`tan^(-1)(0.4)`

Text Solution

Verified by Experts

The correct Answer is:
D

`tan theta=a/g=0.4`
Promotional Banner

Topper's Solved these Questions

  • MOTION IN A PLANE

    NARAYNA|Exercise Level -V Multi answer|18 Videos
  • MOTION IN A PLANE

    NARAYNA|Exercise Level -V Passage|15 Videos
  • MOTION IN A PLANE

    NARAYNA|Exercise NCERT BASED QUES. PASSAGE|8 Videos
  • MECHANICAL PROPERTIES OF SOLIDS

    NARAYNA|Exercise LEVEL-II (H.W)|24 Videos
  • MOTION IN A STRAIGHT LINE

    NARAYNA|Exercise Level 2 H.W|29 Videos

Similar Questions

Explore conceptually related problems

A boy throws a ball up ward with a speed of 12m/s The wind imparts a horizontal acceleration of 0.4 m//s^(2) . At what angle theta to the vertical, the ball must be thrown so that it returns to the point of release.

A boy throws a ball at an angle theta with the vertical. If the vertical component of the initial velocity is 20ms^(-1) and the wind imparts a horizontal acceleration of 8ms^(-2) to the left, the angle at which the ball must be thrown so that the ball returns to the boy's hand is theta . What is the value of 10(tan theta)

A ball thrown vertically upwards with an initial velocity of 1.4 m//s. The total displcement of the ball is

The value of u so that the ball reaches at point A (g = 10m/s2) A u 45° 20m 10m -15m->

A ball thrown vertically upwards with an initial velocity of 1.4 m/s returns in 2s. The total dispalcement of the ball is

A ball is thrown vertically upward with a velocity of 20 m/s. Calculate the maximum height attain by the ball.

A ball of mass 400 gm is dropped from a height of 5 m. A boy on the ground hits the ball vertically upwards with a bat with an average force of 100 newton so that it attains a vertical velocity of 20 m/s. The time for which the ball remains in contact with the bat is (g=10m//s^(2))

NARAYNA-MOTION IN A PLANE-Level -V Single answer
  1. A block of mass m in floating in a river flowing with a velocity of 2m...

    Text Solution

    |

  2. From a point on the ground at a distance a from the foot of a pole, a ...

    Text Solution

    |

  3. A heavy particle is projected with a velocity at an angle with the hor...

    Text Solution

    |

  4. A fixed morter fires a bomb at an angle of 53^@ above the horizontal w...

    Text Solution

    |

  5. The angular elevation of an enemy's position on a hill 'h' ft height i...

    Text Solution

    |

  6. Two particles are projected simultaneously with the same speed v in th...

    Text Solution

    |

  7. Figure shows a sphere moving in a steady flow of air in the x-directio...

    Text Solution

    |

  8. A very broad elevator is going up vertically with a constant accelerat...

    Text Solution

    |

  9. A boy throws a ball upward with velocity v(0)=20m//s. The wind imparts...

    Text Solution

    |

  10. A particle is projected from an inclined plane OP1 from A with velocit...

    Text Solution

    |

  11. A particle is projected with a certain velocity at an angle prop above...

    Text Solution

    |

  12. A particle is projected at an angle 60^@ with speed 10(sqrt3)m//s, fro...

    Text Solution

    |

  13. A particle is projected from a point A with velocity usqrt2 at an angl...

    Text Solution

    |

  14. A particle is dropped from point P at time t = 0. At the same time an...

    Text Solution

    |

  15. Shots are fired simultaneously from the top and bottom of a vertical c...

    Text Solution

    |

  16. Two projectiles are projected simultaneously from two towers as shwon ...

    Text Solution

    |

  17. In the figure shown, the two projectiles are fired simultaneously. The...

    Text Solution

    |

  18. Two particles A and B are projected simultaneously in the directins sh...

    Text Solution

    |

  19. A particle starts from the origin of coordinates at time t = 0 and mov...

    Text Solution

    |

  20. Motion of a particle is governed by following relations y=x/alpha,V(x)...

    Text Solution

    |