Question

the object of mass 2 kg Falls freely under gravity what will be its velocity at the end of 4 seconds​

Answer 1

-v = u - gt (-ve sign for downward )

u = 0

v = 10 * 4 = 40m/s

please mark me if you are satisfied with my answer....

Answer 2

Answer:

$v = 40ms {}^{ - 1} \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ hope \: it \: helps$