Speed Unit Conversions · PhysicsBowl 2010 #4

Physics · mechanics

Problem

Which of the following relationships correctly ranks the three given speeds from least to greatest? The speeds are given as v1=1.25×104cmsv_1 = 1.25 \times 10^4 \frac{\text{cm}}{\text{s}}, v2=0.076Mmweekv_2 = 0.076 \frac{\text{Mm}}{\text{week}}, and v3=9.50kmdayv_3 = 9.50 \frac{\text{km}}{\text{day}}. (A) v1<v2<v3v_1 < v_2 < v_3 (B) v3<v2<v1v_3 < v_2 < v_1 (C) v2<v3<v1v_2 < v_3 < v_1 (D) v1<v3<v2v_1 < v_3 < v_2 (E) v3<v2<v1v_3 < v_2 < v_1

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