A body of mass 3 kg hits a wall at an angle of $60^{\circ}$ & returns at the same angle. The impact time was 0.2 s. Calculate the force exerted on the wall :

Question

( A ) $75\sqrt{3}N$
( B ) $50\sqrt{3}N$
( C ) $150\sqrt{3}N$
( D ) 100 N