Question

A 5kg block is resting on a frictionless plane.it is struck by a jet releasing water at the rate of 3kg emerging with the speed of 4m/s calculate the initial acceleration of the block

Answer 1

Answer:

force of water =3kgs-¹*4ms-¹=12kgms-²

force exerted on bock=force of water

12=5*a

a=12/5=2.4ms-² ###

Answer 2

hope this helps all the best