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A 13 kilogram carton slides down a long, frictionless incline of angle 30 degree. It starts from rest at time t = 0 at the top of the incline at a height of 20 meter above ground.
(a) Find the original potential energy of the carton relative to ground?
(b) From Newton's laws, calculate the distance the carton travels in 1 sec and its speed at t = 1 sec?
(c) Obtain the potential and kinetic energy of the carton at t = 1 sec?
(d) Determine the kinetic energy and the speed of the carton just as it reaches the bottom of the incline.
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so im really confused about this problem im not exactly sure where or how to start it can someone please help? consider
A sample of helium behaves as an ideal gas as it is heated at fix pressure from 273 K to 343 K. find what is the mass of helium present
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