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Sahay Sir > Question Answers > NCERT Exemplar Class 11 > Physics > Chapter 4 - Laws of Motion > A stream of water flowing horizontally with a speed of 15ms^−1 pushes out of a tube of cross sectional area 10^−2m^2 and hits a vertical wall near by what is the force exerted on the wall by the impact of water assuming that it does not rebound?

A stream of water flowing horizontally with a speed of 15ms^−1 pushes out of a tube of cross sectional area 10^−2m^2 and hits a vertical wall near by what is the force exerted on the wall by the impact of water assuming that it does not rebound?

A shell of mass 0.020kg is fired by a gun of mass 100kg. If the muzzle speed of the shell is 80m/s. what is the recoil speed of the gun?