Question

15. An object is dropped in an unknown
planet from height 50 m, it reaches the
ground in 2 s. The acceleration due to
gravity in this unknown planet is
(a) g = 20 ms? (b) g = 25 ms
(c) g = 15 m s? (d)g = 30 m s?​

Answer 1

Answer:

`g=20ms^(-2)`

`g=25ms^(-2)`

`g=15ms^(-2)`

`g=30ms^(-2)`

Answer : 

B