A Woman Drives Her Snowmobile 240 Miles at the Rate

question 10

Multiple Choice

A woman drives her snowmobile 240 miles at the rate of r mph. She could have gone the same distance in 2 hours less time if she had increased her speed by 20 mph. Find r .

• A) 27 mph
• B) 41 mph
• C) 44 mph
• D) 57 mph
• E) 40 mph

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Definitions:

VFD

A Variable Frequency Drive is a motor controller device that operates an electric motor by adjusting the voltage and frequency provided to it.

Rectifier

An electrical device that converts alternating current (AC) to direct current (DC), allowing the flow of charge in one direction only.

Variable Torque

Refers to motors or drives designed to manage varying load torque demands in applications like fans or pumps.

Mechanical Loads

Forces, torques, or loads applied to a mechanical system, influencing its performance and structural integrity.