Work Energy And Power Question 221
Question: Calculate the K.E and RE. of the ball half way up, when a ball of mass 0.1 kg is thrown vertically upwards with an initial speed of .
Options:
A)
B)
C)
D)
Show Answer
Answer:
Correct Answer: B
Solution:
[b] Total energy at the time of projection
Half way up, P.E. becomes half the P.E. at the top i.e.