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The vertical distance traveled by an object within the earth’s gravitational field, neglecting air resistance, is given by the equation ? = 0

The vertical distance traveled by an object within the earth’s gravitational field, neglecting air resistance, is given by the equation ? = 0.5??² + ?₀? + ?₀, where ? is the force on the object due to earth's gravity, ?₀ is the initial velocity, ?₀ is the initial height above the ground, ? is the time in seconds and down is the negative vertical direction. Determine the instantaneous speed and the average speed for an object, initially at rest, 3 seconds after it is dropped from a 100 m. tall cliff. Describe the object 5 seconds after it is dropped from the same height. Use ?

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