Question

20. The distance travelled by a falling body in the last second of its motion, to that in the last but one
second is 7:5, the velocity with which body strikes the ground is
1) 19.6 m/s
2) 39.2 m/s
3) 29.4 m/s
4) 49 m/s


PLEASE ANSWER IT FAST​

Answer 1

Explanation:

39.2 is the correct answer