Physics, 09.08.2021 20:40 valenciadewalt25
If 6 J of work is needed to stretch a spring from 9 cm to 11 cm and another 10 J is needed to stretch it from 11 cm to 13 cm, what is the natural length (in cm) of the spring?
Answers: 3
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Asled is being held at rest on a slope that makes an angle θ with the horizontal. after the sled is released, it slidesa distance d1 down the slope and then covers the distance d2 alongthe horizontal terrain before stopping. find the coefficient ofkinetic friction μk between the sled and the ground, assumingthat it is constant throughout the trip. find the coefficient of kinetic frictionμk. express your answer in terms of someor all of the variables d1, d2, and θ.
Answers: 1
If 6 J of work is needed to stretch a spring from 9 cm to 11 cm and another 10 J is needed to stretc...
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