7. Conceptual question: A block is given an initial push and is sent up an incline płane as shown. You time the trip up to its maximum point up the plane, and again time the trip down the plane (on its way back). To your surprise, the time "down" is longer than the time "up". Explain: Note that the plane has friction. What would you expect if the plane was frictionless?

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7. Conceptual question: A block is given an initial push and is sent up an incline plane
as shown. You time the trip up to its maximum point up the plane, and again time
the trip down the plane (on its way back). To your surprise, the time "down" is longer
than the time "up". Explain: Note that the plane has friction. What would you expect
if the plane was frictionless?
Transcribed Image Text:7. Conceptual question: A block is given an initial push and is sent up an incline plane as shown. You time the trip up to its maximum point up the plane, and again time the trip down the plane (on its way back). To your surprise, the time "down" is longer than the time "up". Explain: Note that the plane has friction. What would you expect if the plane was frictionless?
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