A 5-G Coin Is Dropped from a 300-M Building

question 46

Multiple Choice

A 5-g coin is dropped from a 300-m building. If it reaches a terminal velocity of 45 m/s, and the rest of the energy is converted to heating the coin, what is the change in temperature (in °C) of the coin? (The specific heat of copper is 387 J/kg⋅°C.)

• A) 9
• B) 2
• C) 5
• D) 21
• E) 0.5

Evaluate investment options to determine which provides the highest future value.

Determine the time required to reach a specific financial goal.

Understand the impact of different compounding frequencies on investment growth.

Understand the concept of online exchanges and their creation in industries by buyers.

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Definitions:

Monthly Payments

Regular payments made monthly towards loans, mortgages, or other long-term financial obligations.

Compounded Quarterly

This pertains to the calculation of interest on the principal amount and previously accumulated interest four times a year.

Finance Company

A business that specializes in providing loans to consumers and investing in securities.

Conditional Sale

A sales agreement that includes conditions that must be met for the sale to be finalized or for the title of the property to be transferred to the purchaser.