Asked by Yolanda Mbuyelwa
A ball with a mass of 2kg rests on an incline with an angle of 30degrees .The ball is to be released to roll down the incline plane, neglecting all friction. Determine :
A. The loss in potential energy after it has rolled 14metres
B. The velocity after it has rolled 14metres
A. The loss in potential energy after it has rolled 14metres
B. The velocity after it has rolled 14metres
Answers
Answered by
oobleck
A. it has dropped 14sin30° = 7m, so PE lost is mgh = 2*9.8*7 = ____ J
B. KE gained = PE lost, 1/2 mv^2 = PE lost. solve for v
B. KE gained = PE lost, 1/2 mv^2 = PE lost. solve for v
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.