An engine pumps water continuously through a hose. Water leaves the hose with velocity v and m is mass per unit length of the water jet. If this jet hits a surface and comes to rest instantaneously, the force on the surface is : (1) mv^2 (2) (1/2)mv^2 (3) mv3 (4) (1/2)mv^3

Shaista Farheen , 8 Years ago

Grade 12