Question

A ball is thrown upward with a velocity of 20 m/s from top of a tower having height of 50 m. What
time elapsed when it again passes the edge of tower ?
(1) 2 sec
(2) 4 sec
(3) 8 sec
(4) 5 sec
​

Answer 1

Answer:

4 sec is the answer of this

Answer 2

4 seconds please mark as brainliest