The expression for the kinetic energy of an object of a mass m moving with speed

Question

The expression for the kinetic energy of an object of a mass m moving with speed v is given by The expression for the change in kinetic energy. Delta K, of this object is where vf is the speed at the ending point. point R in this case, and v, is the speed at the starting point. point P in this case. Given what you know about the motion of the glider. simplify the expression for the change in kinetic energy of the glider. (Hint: What do you know about its initial speed?) He sure to include subscripts on both velocity and angle.

Explanation / Answer

The expression for the kinetic energy of an object of a mass m moving with speed

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