The first and third choices could both do it, but the first choice makes a much better, clear demonstration.
work done = force * distance
work = 62 * 2 = 124 j
but tpla ybut tpla y but tpl but tpla y but tpla y but tpla ya y but tpla y but tpla y
Answer:
Q1: B.2 Q2: B.Waxing crescent Q3: A.Waxing Gibbous
Explanation:
I think to an observer outside the train, the speed of the ball will actually look like more than the speed of the train.