A Steady Horizontal Force of Magnitude 21 N Is

question 9

Multiple Choice

A steady horizontal force of magnitude 21 N is applied at the axle of a solid disk as shown.The disk has mass 2.0 kg and diameter 0.10 m.What is the linear speed of the center of the disk after it has moved 12 m?

• A)9.0 m/s
• B)13 m/s
• C)16 m/s
• D)22 m/s
• E)44 m/s

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Definitions:

Two-tail Test

A statistical hypothesis test in which the area of interest is on both sides of the distribution, allowing for testing of both extreme high and low results.

Population Means

The average value of a particular characteristic for an entire population.

One-tail Area

Refers to the area under the probability distribution curve to either the left or right of a specified value, used in hypothesis testing to assess one-sided significance.

Equal-variances Test

A statistical procedure used to assess whether the variances of two populations are equal, as assumed by certain parametric tests.