SaraNextGen Study App [2023-24]
Last Updated On [03-11-2023]

A bullet of mass 50 g is fired from a gun of mass 2 kg. If the total kinetic energy produced is 2050 J, the kinetic energy of the bullet and the gun respectively are

a)

200 J, 5 J

b)

2000 J, 50 J

c)

5 J, 200 J

d)

50 J, 2000 J

Question ID - 52988 :-

A bullet of mass 50 g is fired from a gun of mass 2 kg. If the total kinetic energy produced is 2050 J, the kinetic energy of the bullet and the gun respectively are

a)

200 J, 5 J

b)

2000 J, 50 J

c)

5 J, 200 J

d)

50 J, 2000 J

1 Answer
5876 Votes
3537
Answer Key : (b) -

(b)

Since there is no external force acting on rifle bullet system, hence

 and hence 

Or 

Now total energy  or 

J

And  J.


Next Question :

The radius of gyration of a solid sphere of radius  about a certain axis is . The distance of this axis from the centre of the sphere is

a)

b)

c)

d)


View Topper Answer

We hope we have given the updated helpful answer / content for your query in an easily accessible format to help you in preparing adequately. We do offer free support materials, 11th maths guide 11th maths guide 12th maths guide 10th maths guide, also for all the classes books and guide to all the students who sign up for SaraNextGen. Apart from traditional textbook queries, we've got conjointly provided further high order level thinking issues, that are seemingly to be expected in boards and competitive exams. It includes conceptual queries, MCQs, Long and short answer type queries, etc. These Questions are designed to learn each student and academics by providing chapter-wise further issues focusing totally on testing conceptual information with applications. Here, we've got provided a number of the necessary ways in which within which the solutions of all the Questions will profit students of class 1 to 12. If you have any queries, drop a message to us and we will get back to you at the earliest.

SaraNextGen
Download SaraNextGen Study App