The "Rule of 70" Is a Formula for Determining the Approximate

question 71

Multiple Choice

The "rule of 70" is a formula for determining the approximate number of

• A) years that it would take for a value (like real GDP) to expand 70 times.
• B) years that it would take for a value (like real GDP) to double.
• C) times a value (like real GDP) is a multiple of 70.
• D) times one could double a certain value (like real GDP) over 70 years.

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Definitions:

Driveshaft Rpm

Driveshaft Rpm (Revolutions per Minute) measures the rotational speed of the driveshaft in a vehicle, indicating how many times the shaft completes a full rotation in one minute.

U-joint Working Angles

The angles at which a universal joint operates, crucial for the proper transfer of rotary motion in drivelines.

Longitudinal Torque Rod

A rod in the suspension system of a vehicle that helps to manage longitudinal forces, aiding in the control of wheel alignment and handling.

Working Angles

The angles formed by the axis of the input and output shafts in a drivetrain, affecting the efficiency and vibration of the system.