Question

30.An intense stream of water of cross-sectional area A strikes a wall at an angle 0 with the normal
to the wall and returns back elastically. If the density of water is p and its velocity is v, then the force
exerted in the wall will be
a)2Avpcos o
b)2Av pcos o
c)2AVP
d)2Avp​

Answer 1

Answer:

the force exerted in the wall will be 2Avpsin0