A Ball Is Thrown Straight Upward from a Bridge and Then

question 43

Multiple Choice

A ball is thrown straight upward from a bridge and then falls all the way to the ground (past the bridge) . The ball s height h (in feet) above the ground t seconds after the ball is thrown is given by h(t) = 16 t + 48 t + 111. What is the meaning of h (2) ?

• A) After 2 seconds, the height of the ball is 175 feet above ground.
• B) After 2 seconds, the height of the ball is 143 feet above ground.
• C) After 2 seconds, the height of the ball is 111 feet above ground.
• D) After 2 seconds, the height of the ball is 32 feet above ground.
• E) After 2 seconds, the height of the ball is 817 feet above ground.

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Definitions:

Uncovered Interest Rate Parity

A theory suggesting that the difference between the interest rates of two countries will equal the expected change in exchange rates between the countries' currencies, without the protection of forward contracts.

Spot Rate

The current price or rate for immediate settlement of a commodity, security, or currency exchange.

Initial Cost

The upfront expenditure associated with the purchase or investment in an asset or project.

Exchange Rates

Exchange rates are the value of one currency for the purpose of conversion to another, influencing international trade and investments.