A spring (k = 200 N/m) is fixed at the top of a frictionless plane inclined at angle = 40 (Figure). A 1.0 kg block is projected up the plane, from an initial position that is distance d =
A spring (k = 200 N/m) is fixed at the top of a frictionless plane inclined at angle θ = 40° (Figure). A 1.0 kg block is projected up the plane, from an initial position that is distance d = 0.60 m from the end of the relaxed spring, with an initial kinetic energy of 16 J.
(a) What is the kinetic energy of the block at the instant it has compressed the spring 0.20 m?
(b) With what kinetic energy must the block be projected up the plane if it is to stop momentarily when it has compressed the spring by 0.40 m?
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As the block is projected up the incline its kinetic energy is converted into gravitational potentia…View the full answer
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Posted Date: January 10, 2012 05:22:52
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