A rock is kicked horizontally at a speed of 15 m/s from the edge of a cliff. The rock strikes the ground 65 m from the foot of the cliff of height H as suggested in the figure, which is not drawn to scale. Neglect air resistance.
-How long is the rock in the air?
Definitions:
Marginal Revenue
The additional revenue that a company receives from selling one more unit of a good or service.
Downward-Sloping Demand
A common economic principle where the quantity demanded of a good or service decreases as its price increases.
Quantity Tax
A tax that is levied on the quantity of a good produced or sold, rather than its price.
Marginal Cost
The rise in overall expenses resulting from the production of an extra unit of a product or service.
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