A Catapult Fires an 800-Kg Rock with an Initial Velocity

question 52

Multiple Choice

A catapult fires an 800-kg rock with an initial velocity of 100 m/s at a 40° angle to the ground.The magnitude of the vertical impulse the catapult receives from the rock is

• A)5.1 × 10⁴ N s.
• B)6.1 × 10⁴ N s.
• C)8.0 × 10⁴ N s.
• D)5.0 × 10⁵ N s.
• E)6.0 × 10⁵ N s.

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Definitions:

Wasted Resources

A form of inefficiency in which people expend money, effort, and time to cope with the shortages caused by a price ceiling.

Surplus

The amount by which the supply of a product exceeds its demand, often leading to lower prices.

Market For Butter

The economic platform where buyers and sellers engage in the exchange of butter, determining its price and quantity available.

Price Floor

A government or group-imposed price control that sets the minimum allowed price above the equilibrium price, potentially leading to surpluses.