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The Equation Below Describes a Physical Situation

Question 45

Multiple Choice

The equation below describes a physical situation: The equation below describes a physical situation: Which description best fits the equation? A) A 1.70 kg block slows down while sliding down a frictionless plane inclined at a 30° angle. B) A 1.70 kg block slows down while sliding down a plane with μ<sub>k</sub> = 0.320,with the plane inclined at a 30° angle. C) A 1.70 kg block speeds up while sliding up a frictionless plane inclined at a 30° angle. D) A 1.70 kg block speeds up while sliding down a plane with μ<sub>k</sub> = 0.320,with the plane inclined at a 30° angle. E) A 1.70 kg block slides over the top of an inclined plane and then descends on the other side.Both planes,inclined at a 30° angle,have μ<sub>k</sub> = 0.320.
The equation below describes a physical situation: Which description best fits the equation? A) A 1.70 kg block slows down while sliding down a frictionless plane inclined at a 30° angle. B) A 1.70 kg block slows down while sliding down a plane with μ<sub>k</sub> = 0.320,with the plane inclined at a 30° angle. C) A 1.70 kg block speeds up while sliding up a frictionless plane inclined at a 30° angle. D) A 1.70 kg block speeds up while sliding down a plane with μ<sub>k</sub> = 0.320,with the plane inclined at a 30° angle. E) A 1.70 kg block slides over the top of an inclined plane and then descends on the other side.Both planes,inclined at a 30° angle,have μ<sub>k</sub> = 0.320.
Which description best fits the equation?


A) A 1.70 kg block slows down while sliding down a frictionless plane inclined at a 30° angle.
B) A 1.70 kg block slows down while sliding down a plane with μk = 0.320,with the plane inclined at a 30° angle.
C) A 1.70 kg block speeds up while sliding up a frictionless plane inclined at a 30° angle.
D) A 1.70 kg block speeds up while sliding down a plane with μk = 0.320,with the plane inclined at a 30° angle.
E) A 1.70 kg block slides over the top of an inclined plane and then descends on the other side.Both planes,inclined at a 30° angle,have μk = 0.320.

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