Home
Class 12
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
Promotional Banner

Topper's Solved these Questions

  • KINEMATICS

    FIITJEE|Exercise MCQ (MULTIPLE CORRECT)|15 Videos

  • KINEMATICS

    FIITJEE|Exercise ASSERTION-REASON MCQ ( SINGLE CORRECT)|8 Videos

  • KINEMATICS

    FIITJEE|Exercise SECTION (II) : (SUBJECTIVE )|33 Videos

  • HEAT AND TEMPERATURE

    FIITJEE|Exercise NUMERICAL BASES QUESTIONS|1 Videos

  • LAWS OF MOTION

    FIITJEE|Exercise COMPREHENSION-III|2 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))

A girl standing on a stationary lift (open from above) throws a ball upwards with initial speed 50 m s^(-1) . The time taken by the ball to return to her hands is (Take g = 10 m s^(-2) )

FIITJEE-KINEMATICS-SECTION(II) : MCQ ( SINGLE CORRECT)
  1. The track shown in the figure is frictionless. The block B of mass 4kg...

    Text Solution

    |

  2. The coefficient of friction between an insect and a hemispherical bowl...

    Text Solution

    |

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

    Text Solution

    |

  4. A particle starts its motion along x-axis from rest with a variable ac...

    Text Solution

    |

  5. For a particle moving in the x-y plane, the x and y coordinates are ch...

    Text Solution

    |

  6. n smooth identical spheres are placed in a row and their masses are in...

    Text Solution

    |

  7. When the temperature of a rod increases from t to r+Delta t, its momen...

    Text Solution

    |

  8. The potential energy of particle of mass 1kg moving along the x-axis i...

    Text Solution

    |

  9. Two forces of mangitude F(1) and F(2) are acting on an object.The magn...

    Text Solution

    |

  10. Newton's second law for translation motion in the xy plane is sumvec(F...

    Text Solution

    |

  11. If vec( A) + vec(B) =vec( C ), and | vec(A)| =2 | vec( B) | and vec( B...

    Text Solution

    |

  12. In which of the following cases frictional force is impulsive

    Text Solution

    |

  13. Constant the following two statements : A. Liner momentum of a syste...

    Text Solution

    |

  14. A body falling vertically downwards under gravity breaks in two parts ...

    Text Solution

    |

  15. A shell is fired from a cannon with a velocity V at an angle theta wit...

    Text Solution

    |

  16. A body of mass M is kept n a rough horizontal surfasce (friction coeff...

    Text Solution

    |

  17. A block A kept on an inclined surface just begins to slide if the incl...

    Text Solution

    |

  18. Two springs A and B (k(A)=2k(B)) are stretched by applying forces of e...

    Text Solution

    |

  19. Two equal masses are attached to the two ends of a spring of spring co...

    Text Solution

    |

  20. A small block of mass m is kept on a rough inclined surface of inclina...

    Text Solution

    |