An object of mass m and velocity v has kinetic energy 200 joules. Find new kinetic energy if the mass of the object becomes double and the velocity remains the same.
Answers
Answered by
3
Answer:
New Kinetic energy is 400J
Explanation:
KE =(1/2) mv^2 =200J
Given m is doubled and velocity becomes same
Hence KE(new) = (1/2)(2m)v^2
= 2 (1/2)mv^2= 2KE
= 2*200 =400J
New kinetic energy is 400J
Similar questions