A 60-Kg Block Is Released from Rest 80 M Above the the Ground

question 20

Multiple Choice

A 6.0-kg block is released from rest 80 m above the ground. When it has fallen 60 m its kinetic energy is approximately:

• A) 4800 J
• B) 3500 J
• C) 1200 J
• D) 120 J
• E) 60 J

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Definitions:

Ordinary Annuity

A series of equal payments made at regular intervals over a specified period of time, with interest compounding at the end of each period.

Compounded Quarterly

Pertains to the process of calculating interest on a principal sum where the interest is added to the principal at the end of every quarter, thus interest in the next quarter is then earned on the new total.

Payments

Transactions by which goods, services, or obligations are paid for through the transfer of money or its equivalents.

Compounded Monthly

A method where interest earned is added to the principal monthly, so that each subsequent interest calculation is made on a larger amount.