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A spring (k = 100 N/m) is fixed at the top of a plane inclined at...

  1. A spring (k = 100 N/m) is fixed at the top of a plane inclined at angle θ = 45°. A 2.0 kg block is projected up the plane, from an initial position that is distance d = 0.70 m from the end of the relaxed spring, with an initial speed of 6.00 m/s. The coefficient of kinetic friction between the block and the plane is 0.2 (a) What is the speed of the block at the instant it has compressed the spring 0.10 m? (b) With what speed must the block be projected up the plane if it is to stop momentarily when it has compressed the spring by 0.30 m?

(Draw any figures and force graphs applicable)

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