Chapter 9257P9.13The force exerted on the water by the hose isFptmvmvtfi==−=−=∆∆∆waterkgm ssN0600250010015 0....bgb g.According to Newton's third law, the water exerts a force of equal magnitude back on the hose.Thus, the gardener must apply a 15.0 N force (in the direction of the velocity of the exiting waterstream) to hold the hose stationary.*P9.14(a)Energy is conserved for the spring-mass system:KU K Uisifsf+=+:01212022+=+kxmvvxkm=(b)From the equation, a smaller value of mmakes km=larger.(c)Imvmxkmxkmf=−====pp0(d)From the equation, a
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This note was uploaded on 12/14/2011 for the course PHY 203 taught by Professor Staff during the Fall '11 term at Indiana State University .