A car wash nozzle directs a steady stream of water at 1.10 kg/s,with a speed of 30.0 m/s,against a car window.What force does the water exert on the glass? Assume the water does not splash back.
A)27.3 N
B)33.0 N
C)31.1 N
D)0.367 N
E)1.10 N

Question

Quizplus · Accepted Answer

The force exerted by the water on the glass is calculated using the formula F = Δp/Δt = m*v, where m is the mass flow rate (1.10 kg/s) and v is the velocity (30.0 m/s). Thus, F = 1.10 kg/s * 30.0 m/s = 33.0 N.

A Car Wash Nozzle Directs a Steady Stream of Water