Question

If momentum is decreased by 20% then KE
decreases by;
a. 44 %
b. 36 %
c. 28%
d. 20%
solution is required.please solve it​

Answer 1

Answer:

44%

Explanation:

Answer 2

Answer:

That depends on HOW you decrease momentum. Both total momentum and total energy are conserved properties.

but if it's p=mv

the answer= b) 36%