Two identical wooden blocks slide across the same horizontal tabletop

PHYSICS · Single correct · CBSE · Physics · Laws of Motion · Laws of Motion

Problem

Two identical wooden blocks slide across the same horizontal tabletop. Block A is launched with a speed of 2v, while Block B is launched with a speed of v. The coefficient of kinetic friction between each block and the table is the same and no other horizontal forces act. Which statement best describes the ratio of the stopping distance dAd_A for Block A to the stopping distance dBd_B for Block B? (a) dA:dB=2:1d_A : d_B = 2 : 1 (b) dA:dB=8:1d_A : d_B = 8 : 1 (c) dA:dB=4:1d_A : d_B = 4 : 1 (d) dA:dB=1:4d_A : d_B = 1 : 4

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