A hiker throws a stone from the upper edge of a vertical cliff. The stone's initial velocity is 25.0 m/s directed at 40.0° with the face of the cliff, as shown in the figure. The stone hits the ground 3.75 s after being thrown and feels no appreciable air resistance as it falls.
(a) What is the height of the cliff?
(b) How far from the foot of the cliff does the stone land?
(c) How fast is the stone moving just before it hits the ground? 
Definitions:
Dividend Increase
An action taken by a company's board of directors to raise the amount paid out to shareholders in dividends.
Required Return
The smallest anticipated return that an investor looks to obtain by putting money into a certain asset, factoring in the risk entailed.
Annual Dividend
An annual dividend is the total amount of dividend payments a shareholder receives from a company in one financial year.
Constant Dividend
A dividend policy in which a company pays out a fixed amount of dividend per share irrespective of its financial performance.
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