+1 vote
in Physics by (29.7k points)

A light and a heavy object have the same momentum. Find out the ratio of their kinetic energies. Which one has a larger kinetic energy?

2 Answers

+1 vote
by (48.4k points)
selected by
Best answer

Light object p1 = m1v1 and heavy object p2 = m2v2 

But p1 = p2 

+1 vote
by (127k points)
edited by

Which one has a larger kinetic energy

p1 = m1 v        p2 = m2 v2

but p1 = p2 or m1 v1 = m2v2

if m1 <  m2  then  v1 >  v2

(K.E)1 = 1/2 (m1 v1)2                      (K.E)2 = 1/2(m2 v2)2

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.