IDNLearn.com: Your reliable source for finding precise answers. Receive prompt and accurate responses to your questions from our community of knowledgeable professionals ready to assist you at any time.

8. If a moving object triples its speed, how much kinetic energy will it have? A. six times as much as before B. three times as much as before C. one third as much as before D. nine times as much as before ​

Sagot :

D

Explanation:

KE: 0.5mv²

when v is tripled v² is 9 times its original value