Unit Conversion of Speed · PhysicsBowl 2017 #1

Physics · mechanics

Problem

A scientist computes a speed as

\frac{12 \text{ mm}}{3 \mu s}

. Which one of the following choices represents this same speed? (A)

4 \frac{km}{s}

(B)

4 \frac{nm}{s}

(C)

4 \frac{m}{s}

(D)

4 \frac{Gm}{s}

(E)

4 \frac{pm}{s}