研究所、轉學考(插大)◆普通物理學題庫下載題庫

(2)A block of mass m is launched up an inclined plane of angle θ = 30° and length L by an ideal spring with constant k as shown in the right figure. The coefficient of kinetic friction for the inclined plane is μ = 1.0. What is the minimum compression length of the spring for the mass m to reach L?
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