Home
Class 11
PHYSICS
A body of mass M at rest explodes into t...

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

`1.5" m"//"s"`

B

`2.0" m"//"s"`

C

`2.5" m"//"s"`

D

`3.0" m"//"s"`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • FORCE

    TARGET PUBLICATION|Exercise Critical Thinking (4.4 Elastic and inelastic collisions in one and two dimensions)|4 Videos

  • FORCE

    TARGET PUBLICATION|Exercise Critical Thinking (4.6 Moment of force)|1 Videos

  • FORCE

    TARGET PUBLICATION|Exercise Critical Thinking (4.2 General idea of gravitational, electromagnetic and nuclear force electromagnetic and nuclear force from daily life experiences)|1 Videos

  • ELECTRONS AND PHOTONS

    TARGET PUBLICATION|Exercise Evaluation Test|19 Videos

  • FRICTION IS SOLIDS AND LIQUIDS

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

Similar Questions

Explore conceptually related problems

A body oa mass M at rest explodes into three pieces, two of which of mass (M/4) each are thrown- off in perpendicular directions with velocities of 6 ms^(-1) and 8 ms^(-1) respectively. The third piece will be thrown-off with a velocity of

A body of mass M at rest explodes into 3 pieces, A,B and C of masses M/4,M/4 and M/2 respectively. A and B move in perpendicular directions with velocities 5m/s and 12 m/s respectively. What is the speed of the third piece?

A body of mass 4m at rest explodes into three pieces. Two of the pieces each of mass m move with a speed v each in mutually perpendicular directions. The total kinetic energy released is

An explosion blows a rock into three pieces Two pieces whose masses are 200 kg and 100 kg go off at 90^(@) to eachother with a velocity of 8 m//s and 12 m//s respectively If the third piece flies off with a velocity of 25 m//s then calculate the mass of this piece and indicate the direction of flight of this piece in a diagram.

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 body of mass 1 kg at rest explodes into three fragments of masses in the ratio 1 : 1 : 3 . The two pieces of equal mass fly in mutually perpendicular directions with a speed of 30 m//s each . What is the velocity of the heavier fragment ?

A Diwali cracker of mass 60 g at rest, explodes into three pieces A, B and C of mass 10 g, 20 g and 30 g respectively. After explosion velocities of A and B are 30 m/s along east and 20 m/s along north respectively. The instantaneous velocity of C will be

If the velocities of three molecules are 2 m/s, 3 m/s, 4m/s respectively. Then the mean velocity will be

A bomb at rest explodes into three fragments of equal massses Two fragments fly off at right angles to each other with velocities of 9m//s and 12//s Calculate the speed of the third fragment .