Explanation:

Time taken to reach the ground = √2h/g

= √2×50/10

= √100/10 = 10/10 = 1 sec

Velocity just before hitting the ground = √2gh

= √2×50×10

= √1000

= 10√10 m/s

Answer:

hshshshshgshsbsbnsbsbnsjsnsbbsnsns