Home
Class 11
PHYSICS
A stationary body of mass 3 kg explodes ...

A stationary body of mass 3 kg explodes into three equal pieces. Two of the pieces fly off in two mutually perpendicular directions, one with a velocity of `3hati ms^(1)` and the other with a velocity of `4hatj ms^(-1)` . - If the explosion occurs in `10^(–4) s`, the average force acting on the third piece in newton is

A

`(3hati+4hatj)xx10^(-4)`

B

`(3hati-4hatj)xx10^(-4)`

C

`(3hati+4hatj)xx10^(4)`

D

`-(3hati+4hatj)xx10^(4)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • FORCE

    TARGET PUBLICATION|Exercise Competitive Theinking (4.0 Introduction)|21 Videos
  • FORCE

    TARGET PUBLICATION|Exercise Competitive Theinking (4.2 General idea of gravitational, electromagnetic and nuclear force from daily life experiences)|3 Videos
  • FORCE

    TARGET PUBLICATION|Exercise Critical Thinking (4.10 Conditions of equilibrium of a rigid body)|3 Videos
  • ELECTROSTATICS

    TARGET PUBLICATION|Exercise EXCERCISE|156 Videos
  • FRICTION IS SOLIDS AND LIQUIDS

    TARGET PUBLICATION|Exercise MCQ (EVALUATION TEST)|21 Videos

Similar Questions

Explore conceptually related problems

A stationary body of mass 3 kg explodes into three equal pieces. Two of the pieces fly off at right angles to each other, one with a velocity 2hati m/s and the other with a velocity 3hatj m/s. If the explosion takes place in 10^(-5) s, the average force acting on the third piece in newton is

A body of mass M at rest explodes into three pieces, two of which of mass M//4 each are thrown off in prependicular directions eith velocities of 3//s and 4m//s respectively. The third piece willl be thrown off with a velocity of

A body of mass explodes at rest break up into three parts. If two parts having equal masses fly off perpendicularly to each other with a velocity of 18 m//s , then calculate the velocity of the third part which has a mass 3 times the mass of each part.

An alpha - particle is moving field of (4hati - hatj) tesla with a velocity of (6 xx 10^(5) hati) ms^(-1) . What will be the magnetic force acting on the particle?

A body of mass 1 kg , initially at rest, explodes and breaks into three fragments of masses in the ratio 1:1:3 . The two pieces of equal mass fly off perpendicular to each other with a speed of 30 m//s each. What is the velocity of the heavier fragment?

An explosion blows a rock into three parts. Two parts go off at right angles to each other . These two are 1 kg first part moving with a velocity of 12 ms^(-1) and 2 kg second part moving with a velocity of 8 ms^(-1) . If the third part flies off with a velocity of 4 ms^(-1) . Its mass would be

A body of mass (4m) is laying in xy-plane at rest. It suddenly explodes into three pieces. Two pieces each mass (m) move perpedicular to each other with equal speeds (v). Total kinetic energy generated due to explosion is

A body of mass 3 kg moving with a velocity (2hati+3hatj+3hatk) m/s collides with another body of mass 4 kg moving with a velocity (3hati+2hatj-3hatk) m/s. The two bodies stick together after collision. The velocity of the composite body is

A body of mass 1 kg moving with velocity 10 m//s collides with another body moving in opposite direction of mass 3 kg and velocity 3 m//s . After collision both the bodies move together. What is their common velocity?