Question: 1 When Calvin's dad says two points on one disk move at two speeds, is he referring to rotational speed or tangential speed? Rotational O
1 When Calvin's dad says "two points on one disk move at two speeds", is he referring to rotational speed or tangential speed? Rotational O Tangential Question 2 When Calvin's dad says "both make the same revolutions per minute", is he referring to rotational speed or tangential speed? Rotational O Tangential
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