Question

On a planet, a stone thrown vertically up with velocity 10 m/s returns to he ground in 4
second. Acceleration due to gravity on the planet is
1) 20 m/s2
2) 10 m/s
3) 5 m/s
4) 40 m/s2​

Answer 1

Answer:

the answer is 4) 40 m/s2

Step-by-step explanation:

hope it helps mark as brai est

Answer 2

Step-by-step explanation:

40 metres is correct answer