Use the Figure for the Question

question 6

Multiple Choice

Use the figure for the question. The graph shows the speed of a light truck of mass 4000 kg coasting on neutral down a level straight road.The truck is slowing down due to air resistance and rolling friction.
-Estimate the work done per second by the retarding force at t = 5s.

• A) 20 kJ
• B) 40 kJ
• C) 60 kJ
• D) 80 kJ
• E) 100 kJ

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Definitions:

Payroll Taxes Collected

Taxes that are withheld from employees' wages by their employer and remitted to the government, including amounts for social security and Medicare.

Workers' Compensation

A form of insurance providing wage replacement and medical benefits to employees injured in the course of employment.

FICA

Refers to the Federal Insurance Contributions Act taxes, which are payroll taxes paid by both employees and employers to fund Social Security and Medicare.

Overtime Earnings

Compensation received for hours worked in excess of the standard workweek hours, often calculated at a rate higher than the regular hourly rate.