How far is foot of ladder from base of building
60 ft. ladder is leaning against the building and ladder makes the angle of 65 with ground. How far is foot of ladder from base of building and how high up th building does it reach?
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A block of 1.2 kg is hung from a vertical spring, causing the spring to stretch by 2.4 cm. Determine by how much farther will the spring stretch when a 0.60 kg block is added to the 1.2 kg block?
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Two children, Jason and Betsy, ride on the similar merry-go-round. Jason is at distance R from the axis of rotation; Betsy is at distance 2R from the axis. (i) Evaluate the ratio of Jason's angular speed to the Betsy's angular speed?
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