A 075-Kg Sphere Is Released from Rest and Is Moving 5

question 70

Multiple Choice

A 0.75-kg sphere is released from rest and is moving 5.0 m/s after falling 2.0 m in a viscous medium. What is the change in mechanical energy caused by the force the viscous medium exerts on the sphere during this descent?

• A) −6.1 J
• B) −4.6 J
• C) −5.3 J
• D) −6.8 J
• E) −2.7 J

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Definitions:

Account Balances

The amount of money in a financial repository, such as a bank account, at any given time.

Retained Earnings

The portion of a company's profit that is held back and not distributed to shareholders as dividends, to be reinvested in the business or used to pay off debt.

Contractual Loan Restrictions

Clauses in a loan agreement that limit the borrower's actions in certain ways to reduce the lender's risk.

Preferred Dividends

Payments made to preferred shareholders before any dividends are distributed to common shareholders, often at a fixed rate and with priority over common dividends.