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A single conservative force F(x) acts on a 1.1 kg particle that moves along an x axis. The potential energy U(x) associated with F(x) is given by U(x) = -2.0xe^(-x/5) where x is in meters. At x = 2.7 m the particle has a kinetic energy of 5.6 J.
(a) What is the mechanical energy of the system?
(b) What is the maximum kinetic energy of the particle and
(c) the value of x at which it occurs?
Find out separation between the two sources
A skier of mass 68.4 kg glides down a hill of slope 26.5 degree at constant speed. If she travels a distance 35.0m down the hill, what is (a) the work done by friction and (b) the coefficient of friction between her skis and the slope?
An airtight box has a removable lid of area 1.00 10-2 m2 and negligible weight. The box is taken up a mountain where the air pressure outside the box is 7.00 104 Pa. The inside of the box is completely displaced. What is the magnitude of the force es..
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