Home
Class 12
PHYSICS
A body of mass 1 kg at rest explodes int...

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

`(10)/(sqrt(2))m//s`

B

`10sqrt(2)m//s`

C

`20sqrt(2)m//s`

D

`30sqrt(2)m//s`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

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 ms^(-1) each. What is velocity of the heavier fragment?

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

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 15 m s^(-1) each. What is the velocity of the heavier fragment?

A body of mass 5 kg explodes at rest into three fragments with masses in the ratio 1 : 1 : 3. The fragments with equal masses fly in mutually perpendicular directions with speeds of 21 m/s . The velocity of the heaviest fragment will be

A body of mass 5 kg explodes at rest into three fragments with masses in the ratio 1 : 1 : 3. The fragments with equal masses fly in mutually perpendicular directions with speeds of 21 m/s. The velocity of the heaviest fragment will be -

A bomb of mass 5 m initially at rest explodes and breaks into three pieces of masses in the ratio 1 : 1 : 3 . The two pieces of equal mass fly off perpendicular to each other with a speed of v_(0) . What is the velocity of the heavier piece? Also , calculate the energy released in explosion.

A body of mass 1kg initially at rest explodes and breaks into three parts of masses in the ration 1: 2: 3. If the two pieces of equal masses fly off perpendicular to each other with a speed of 30m//s The speed of third piece will be .

A shell of mass m is at rest initially. It explodes into three fragments having masses in the ratio 2:2: 1. The fragments having equal masses fly off along mutually perpendicular directions with speed v. What will be the speed of the third (lighter) fragment ?

A shell is fired from a cannon with a speed of 100 m//s at an angle 30^(@) with the vertical ( y -direction). At the highest point of its trajectory, the shell explodes into two fragments of masses in the ratio 1:2 . The lighter fragment moves vertically upwards with an initial speed of 200 m//s . What is the speed of the heavier fragment at the time of explosion?