Home
Class 12
PHYSICS
A large rectangular box ABCD falls verti...


A large rectangular box ABCD falls vertically with an acceleration a. a toy gun fixed at A and aimed towards C fired a particle P.

A

(a)P will hit C if a = g

B

(b)P will hit the roof BC if `a gt g`

C

(c)P will hit the wall CD or the floor AD if `a lt g`

D

(d)May be either (A), (B) or (C), depending on the speed of projection of P

Text Solution

Verified by Experts

The correct Answer is:
A, B, C

If the relative acceleration of bullet w.r.t. box is zero then its motion is straight line w.r.t. box vertical displacement will be different if `a ne g`.
Promotional Banner

Topper's Solved these Questions

  • Motion in Two Dimensions

    VMC MODULES ENGLISH|Exercise JEE Main (Archive)|19 Videos
  • Motion in Two Dimensions

    VMC MODULES ENGLISH|Exercise JEE Advanced (Archive)|19 Videos
  • Motion in Two Dimensions

    VMC MODULES ENGLISH|Exercise Long Answer Type|5 Videos
  • Motion in Straight Line

    VMC MODULES ENGLISH|Exercise IN-CHAPTER EXERCISE-J|10 Videos
  • MOVING CHARGES & MAGNETISM

    VMC MODULES ENGLISH|Exercise IN-CHAPTER EXERCISE-K|10 Videos

Similar Questions

Explore conceptually related problems

A large rectangular box moves vertically downward with an acceleration a . A toy gun fixed at A and aimed towards C fires a particle P .

A rectangular wire frame ABCD is in vertical plane is moving with a constant acceleration a into the plane as shown . Direction of gravity is shown inn figure . A collar can move on wire AC of length l . Coefficient of friction between wire and collar is mu . Find ltbr. (i) The ..... (i) maximum acceleration a so that collar does not slip on wire. (ii) The time taken by collar to reach C if acceleration is half the value calculated in part

A particle slides down on a smooth incline of inclination 30^(@) , fixed in an elevator going up with an acceleration 2m//s^(2) . The box of incline has width 4m. The time taken by the particle to reach the bottom will be

A rectangular box is completely filled with a liquid of density rho , as shown in Fig. The box is accelerated horizontally with a constant acceleration a. Determine the gauge pressures at the four points A, B, C and D .

An earth satellite is revolving in a circular orbit of radius a with velocity upsilon_(0) . A gun in the satellite is aimed directly towards the earth. A bullet is fired from the gun with muzzle velocity (upsilon_(0))/(2) . Neglecting resistance offered by cosmic dust and recoil of gun, calculate maximum and minimum distance of bullet from the center of earth during its subsequent motion.

A container contains an incompressible and non - viscous liquid of density rho and is filled upto a height H . Now if container is moved towards right with an acceleration a then find the horizontal force exerted by liquid on the face ABCD of container . Assume container have enough height so that liquid does not fall outside the container .

Inside a smooth hemispherical cavity, a particle P can slide freely. The block having this cavity is moving with constant acceleration a = g (where g is acceleration due to gravity). The particle is released from the state of rest from the topmost position of the surface of the cavity as shown. The angle theta with the vertical, when the particle will have maximum velocity with respect to the block is

A particle tide to the end of a string oscillates along a circular arc in a vertical plane. The other end of the string is fixed at the center of the circle. If the string has a breaking strength of twice the weight of the particles, a. find the maximum distance that the particle can cover in one cycle of oscillation. The length of the string is 50cm . b. Find the tension in the extreme position. c. Find the acceleration of the particle at bottom and extreme position.

A uniform cylider of mass M and radius R has a string wrapped around it. The string is held fixed and the cylinder falls vertically, as in figure. (a). Show that the acceleration of the cylinder is downward with magnitude a=(2g)/(3) (b). Find the tension in the string.

Two particles of mass m each are tied at the ends of a light string of length 2a. The whole system is kept on a frictionless horizontal surface with the string held tight so that each mass is at a distance a from the centre P (as shown in the figure). Now, the mid-point of the string is pulled vertically upwards with a small but constant force F. As a result, the particles move towards each other on the surface. The magnitude of acceleration, when the separation between them becomes 2x, is

VMC MODULES ENGLISH-Motion in Two Dimensions-Level -1
  1. A ball is projected from a high tower with speed 20 m/s at an angle 30...

    Text Solution

    |

  2. With what minimum speed must a particle be projected from origin so th...

    Text Solution

    |

  3. A large rectangular box ABCD falls vertically with an acceleration a. ...

    Text Solution

    |

  4. Two shells are fired from a cannon with a speed u each, at angles of ...

    Text Solution

    |

  5. Match the entries of Column I and Column II. COLUMN - I (A) For a p...

    Text Solution

    |

  6. A cart moves with a constant speed along a horizontal circular path. F...

    Text Solution

    |

  7. A body is thrown with the velocity v0 at an angle of theta to the hori...

    Text Solution

    |

  8. The horizontal range of a projectile is 4 sqrt(3) times its maximum he...

    Text Solution

    |

  9. An airplane moving horizontally with a speed of 18km//hr drops a food ...

    Text Solution

    |

  10. The range of a rifle bullet on level ground is 60 m. The range (in m) ...

    Text Solution

    |

  11. A particle is projected from the ground at an angle of 60^@ with the h...

    Text Solution

    |

  12. A ball thrown by one player reaches the other in 2 s. The maximum heig...

    Text Solution

    |

  13. A ball is projected horizontally with a velocity of 5ms^(-1) from the ...

    Text Solution

    |

  14. A cart is moving horizontally along a straight line with constant spee...

    Text Solution

    |

  15. The coordinates of a particle moving in XY-plane at any instant of tim...

    Text Solution

    |

  16. A projectile is projected from ground with an initial velocity (5hati+...

    Text Solution

    |

  17. A particle is prjected up an inclined with initial speed v=20m//s at a...

    Text Solution

    |

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

    Text Solution

    |

  19. A motor car is travelling at 60m//s on a circular road of radius 1200...

    Text Solution

    |

  20. A wheel is subjected to uniform angular acceleration about its axis w...

    Text Solution

    |