A stone is dropped from the top of a building which is 180 meters high. If the stone hits the ground after 6 seconds, its final velocity will be

A stone is dropped from the top of a building which is 180 meters hig

1.	A stone is dropped from the top of a building which is 180 meters high. If the stone hits the ground after 6 seconds, its final velocity will be
A.	40 ms−1
B.	50 ms−1
C.	60 ms−1
D.	110 ms−1
Answer» D. 110 ms−1