Mathematics, 13.06.2020 17:57 vale1881

A roller-coaster car has a potential energy of 800 kJ and a kinetic energy of 170 kJ at point A in its travel. At the low point of the ride, the potential energy is zero, and 60 J of work have been done against friction since it left point A. What is the kinetic energy of the roller-coaster at its low point?

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A roller-coaster car has a potential energy of 800 kJ and a kinetic energy of 170 kJ at point A in i...

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