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The Equation Below Describes a Physical Situation: Which

Question 47

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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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