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Physics, 16.11.2020 01:10 desotoaustin
A marble of mass of 10 g is placed on the track at the starting point. The height
attained by the marble on the opposite side is measured. This is repeated five times.
Which of the following experimental results would support the conservation of energy
as it is explained in the reading?
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Answers: 1
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Amerry-go-round of radius r, shown in the figure, is rotating at constant angular speed. the friction in its bearings is so small that it can be ignored. a sandbag of mass m is dropped onto the merry-go-round, at a position designated by r. the sandbag does not slip or roll upon contact with the merry-go-round. how would you rank the following different combinations of m and r on the basis of the angular speed of the merry-go-round after the sandbag "sticks" to the merry-go-round from largest to smallest. a) m = 10kg, r = 0.25r b) m = 20kg, r = 0.25r c) m = 10kg, r = 0.50r d) m = 10kg, r = 1.0r e) m = 15kg, r = 0.75r f) m = 40kg, r = 0.25r
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A marble of mass of 10 g is placed on the track at the starting point. The height
attained by the m...
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