Water runs out of a horizontal drainpipe at the rate of 120. liters per minute. It falls 3.20 m to the ground. Assuming the water doesn't splash up, what average force does it exert on the ground?
A) 12.0 N
B) 19.6 N
C) 15.8 N
D) 8.88 N
E) 6.20 N
C
You might also like to view...
In the hypothetical situation considered in section E18.1, the disturbance in the magnetic field that the jostled charged sheet creates on the x = 0 plane at time t = T reaches position x = R at time
A. t = T ? R/c. B. t = T. C. t = T + R/c. D. One cannot answer without more information.
The nuclei of radioactive isotopes can sometimes give off
A) visible radiation B) UV rays C) gamma rays D) X-rays
The contribution of efficiency to U.S. energy services is
A) less than the contribution of oil but still significant. B) insignificant. C) larger than the contribution of oil. D) about as large as the contribution of oil.
In a series circuit consisting of a 12.0 emf, a 2.00 mF capacitor, a 1.00 k
resistor and a switch, what is the voltage across the capacitor at a time 
after the switch is closed?
A. .632 V B. 6.32 V C. 7.58 V D. 8.65 V