document.write( "Question 1185368: A hockey puck of mass 0.245 kg leaves a hockey stick at a speed of 29 m/s. The coefficient of kinetic friction between the ice and puck is 0.080.
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\n" ); document.write( "How long will it take for the puck to stop?
\n" ); document.write( "Repeat part (a) for a puck of twice the mass.
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Algebra.Com's Answer #849637 by ikleyn(52781) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "A hockey puck of mass 0.245 kg leaves a hockey stick at a speed of 29 m/s.
\n" ); document.write( "The coefficient of kinetic friction between the ice and puck is 0.080.
\n" ); document.write( "What is the acceleration of the puck once it leaves the stick?
\n" ); document.write( "How long will it take for the puck to stop?
\n" ); document.write( "Repeat part (a) for a puck of twice the mass.
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document.write( "The weight of the hockey puck is m*g , where g = 9.81 m/s^2 is the gravity acceleration\r\n" );
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document.write( "The friction force is  F = k*m*g,  where  k = 0.08 is the friction coefficient.\r\n" );
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document.write( "The acceleration of the pack (which is the deceleration, in this case) is\r\n" );
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document.write( "    a =  =  = k*g = 0.08*9.81 = 0.7848 m/s^2.\r\n" );
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document.write( "The puck will stop in\r\n" );
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document.write( "    t =  =  = 36.95 seconds  (rounded).\r\n" );
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\n" ); document.write( "\n" ); document.write( "Having my solution as a TEMPLATE in front of you eyes, you may repeat these
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