Question

A body of 0.02 kg falls from a height of 3 metre
into a pile of sand. The body penetrates the sand
a distance of 5 cm before stoping. What force
has the sand exerted on the body?
(A) 1.96 N
(B)-19.6 N
(C) -0.196 N
(D) 0.0196 N.​

Answer 1

Mabi year answer is a = C

ok.......