A 500-Kg Block Is Being Pulled Up a 16 $\mathrm { s } ^ { 2 }$

question 21

Multiple Choice

A 50.0-kg block is being pulled up a 16.0° slope by a force of 250 N that is parallel to the slope. The coefficient of kinetic friction between the block and the slope is 0.200. What is the acceleration of the block?

• A)0.528 m/ \(\mathrm { s } ^ { 2 }\)
• B)0.158 m/ \(\mathrm { s } ^ { 2 }\)
• C)0.412 m/ \(\mathrm { s } ^ { 2 }\)
• D)0.983 m/ \(\mathrm { s } ^ { 2 }\)
• E)0.260 m/ \(\mathrm { s } ^ { 2 }\)

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Definitions:

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A statistical procedure that compares the average values of two connected groups to ascertain if the difference between them is significant from a statistical standpoint.

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