February 23, 2017

Homework Help: physics

Posted by phys1! on Friday, October 14, 2011 at 10:46pm.

A cart loaded with bricks has a total mass
of 18 kg and is pulled at constant speed by
a rope. The rope is inclined at 30.4  above
the horizontal and the cart moves 21.5 m on
a horizontal floor. The coefficient of kinetic
friction between ground and cart is 0.8 .
The acceleration of gravity is 9.8 m/s2 .
How much work is done on the cart by the
Answer in units of kJ

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