1.

A jet of water with a cross sectional area 'a' is striking against a wall at an angle theta to the horizontal and rebounds elastically. If the velocity of water jet is v and the density is rho, the normal force acting on the wall is

Answer»

`2av^(2)RHO COS theta`
AV `rho cos theta`
2 av `rho cos theta`
av cos `theta`

Answer :A


Discussion

No Comment Found