1. (6p) If the work required to stretch a spring 3 ft beyond its natural length is 15 ft-lb, how much work (in ft-lb) is needed to stretch it 18 in. beyond its natural length? Give your answer in decimal form.
1. (6p) If the work required to stretch a spring 3 ft beyond its natural length is 15 ft-lb, how much work (in ft-lb) is needed to stretch it 18 in. beyond its natural length? Give your answer in decimal form.
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Transcribed Image Text:1. (6p) If the work required to stretch a spring 3 ft beyond its natural length is 15 ft-lb, how much work (in
ft-lb) is needed to stretch it 18 in. beyond its natural length? Give your answer in decimal form.
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