Calculate the change in the box kinetic energy
An 69.0 N box of clothes is pulled 8.9 m up a 30.0° ramp by a force of 100 N that points along the ramp. If the coefficient of kinetic friction between the box and the ramp is 0.22, calculate the change in the box's kinetic energy.
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Determine, according to quantum mechanics, (a) the total energy (in eV) of the atom, (b) the magnitude of the maximum angular momentum the electron can have in this state.
What decision do you recommend?What are some ways to implement your recommendations?
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A heavy ball with a weight of 110 N is hung from the ceiling of a lecture hall on a 4.5-{rm m}-long rope. The ball is pulled to one side and released to swing as a pendulum, reaching a speed of 5.8 m/s as it passes through the lowest point. What i
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A weight lifter lifts a set of weights a vertical distance of 2.00 m. If a constant net force of 350 N is exerted on the weights, what is the net work done on the weights?
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