Home
Class 12
PHYSICS
A girl drops an apple from the window of...

A girl drops an apple from the window of a train which is moving on a straight track with speed increasing with a constant rate. Te trajectory of the falling apple as seen by the girl is

A

parabolic and in the direction of the moving train

B

parabolic and opposite to the direction of the moving train

C

an inclined straight line pointing in the direction of the moving train.

D

an inclined straight line pointing opposite to the direction of the moving train

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • SOLVED PAPER 2018

    KVPY PREVIOUS YEAR|Exercise EXAMPLE|24 Videos

Similar Questions

Explore conceptually related problems

A stone is just dropped from the window of a train moving along a horizontal straight track with uniform speed. The path of the stone is

A stone is just released from the window of a train moving along a horizontal straight track. The stone will hit the ground in

Given the magnitude and direction of the force acting on a stone of mass 0.1 kg (a) just after it is dropped from the window of a stationary train (b) just after it is dropped from the window of a train running at a constant velocity of 36 km//hr (c) just after it is droped from the window of a train accelerating with 1 ms^(-2) (d) lying on the floor of a trin which is accelerating with 1 ms^(-2) the stone being at rest relative to the train . Neglect the resistance of air throuhout .

The speed of a train increases at a constant rate alpha from zero to v and then remains constant for an interval and finally decreases to zero at a constant rate beta . The total distance travelled by the train is l. The time taken to complete the journey is t. Then,

A ball is thrown from rear end to the front end of a compartment of a train which is moving at constant horizontal velocity. An observer sitting in the compartment and another observer standing on the ground draw the trajectory of the ball. They will have

A car starts moving from rest on a horizontal circular road of radius of curvature R at . The speed of the car is increasing at a constant rate a. The coefficient of friction between the road and the tyres of the car is The car starts slipping at time t = t_(0) . Then t_(0) is equal to:

A ball is projected in vertical x–y plane from a car moving along horizontal x direction. The car is speeding up with constant acceleration. Which one of the following trajectory of the ball is not possible in the reference frame attached to the car? Give reason for your answer. Explain the condition in which other trajectories are possible. Consider origin at the point of projection.

A girl is sitting near the open window of a train that is moving at a velocity of 10.00m/s to the east.The girl's uncle stands near the tracks and watches the train move away.The locomotive whistle emits sound at frequency 500.0Hz .The air is still sound velocity in air is (330m/s) What frequency does the uncle hear?

A body starting from the the rest moves along a straight line with constant acceleration. Which one of the following graphs represents the variation of speed(v) and distance(s)?

KVPY PREVIOUS YEAR-SOLVED PAPER 2019-EXAMPLE
  1. In a muonic atom, a muon of mass of 200 times of that of electron and ...

    Text Solution

    |

  2. A spherical rigid ball is realeased from rest and starts rolling down ...

    Text Solution

    |

  3. A girl drops an apple from the window of a train which is moving on a ...

    Text Solution

    |

  4. A train is moving slowly at 2 m/s next to a railway platform. A man, 1...

    Text Solution

    |

  5. A point mass M moving with a certain velocity collides with a stationa...

    Text Solution

    |

  6. A particle of mass 2/3 kg with velocity v=-15m/s at t=-2 s is acted up...

    Text Solution

    |

  7. As shown in the schematic below, a rod of uniform cross-sectional area...

    Text Solution

    |

  8. A photon falls through a height of 1 km through the earth's gravitatio...

    Text Solution

    |

  9. 0.02 moles of an ideal diatomic gas with initial temperature 20^@C is ...

    Text Solution

    |

  10. A heater supplying constant power P watts is switched on at time t=0 m...

    Text Solution

    |

  11. Unpolarized red light is incident on the surface of a lake at incident...

    Text Solution

    |

  12. A neutral spherical copper particle has a radius of 10 nm (1 nm=10^-9m...

    Text Solution

    |

  13. A charge +q is distributed over a thin ring of radius r with line char...

    Text Solution

    |

  14. Originally the radioactive beta decay was thought as a decay of a nucl...

    Text Solution

    |

  15. One gram-mole of an ideal gas A with the ratio of constant pressure an...

    Text Solution

    |

  16. How will the voltage (V) between the two plates of a parallel plate ca...

    Text Solution

    |

  17. Three large identical plates are kept close and parallel to each other...

    Text Solution

    |

  18. A metal rod of cross-sectional area 10^(-4)m^2 is hanging in a chamber...

    Text Solution

    |

  19. A short solenoid (length l and radius r, with n turns per unit length)...

    Text Solution

    |

  20. Consider the wall of a dam to be straight with height H and length L. ...

    Text Solution

    |