Constant Acceleration: a Soccer Ball Is Released from Rest at the Top

question 56

Essay

Constant acceleration: A soccer ball is released from rest at the top of a grassy incline. After 8.6 seconds, the ball travels 87 meters and 1.0 s after this, the ball reaches the bottom of the incline.
(a) What was the magnitude of the ball's acceleration, assume it to be constant?
(b) How long was the incline?

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Definitions:

Net Present Value

The difference between the current value of cash inflows and the current value of cash outflows over a period of time.

Investment

An asset or item acquired with the goal of generating income or appreciation.

Net Present Value

The difference between the present value of cash inflows and outflows over a period of time, used in capital budgeting to assess the profitability of investments.

Investment

The allocation of resources, such as capital or time, with the expectation of achieving a future return or profit.