A 100-Kg Object Is Initially Moving with a Velocity of 20

question 35

Multiple Choice

A 10.0-kg object is initially moving with a velocity of 20.0 m/s to the north and is acted on by a constant net force. After the object moves 30.0 m to the north, its velocity is 12.0 m/s north. What is the constant net force acting on the object?

• A)66.6 N north
• B)3.33 N south
• C)42.7 N south
• D)214 N north
• E)66.6 N south

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Definitions:

Learning Rate

The speed at which a person acquires knowledge or skills, often analyzed in the context of production and efficiency improvement.

Logarithmic

Pertaining to or involving a logarithm, which is the exponent that indicates the power to which a base number is raised to obtain a specific number.

Arithmetic Method

A quantitative approach involving basic mathematical operations to solve problems or make calculations.

Learning-Curve Coefficients

Factors that quantify the rate of improvement or learning in an operation, typically showing how costs decrease as experience increases.