thomasshy116 thomasshy116

14-12-2018
Physics

contestada

Please help me with this! (:
Convert 4.9 m/s to km/h.

A. 18 km/h
B. 49,000 km/h
C. 1.4 km/h
D. 18,000,000 km/h

Respuesta :

remotecontrolbrain remotecontrolbrain

14-12-2018

Answer:

(A) 18 km/h

Explanation:

[tex]4.9\frac{m}{s}=4.9\cdot \frac{\frac{1}{1000}km}{\frac{1}{3600}h}=4.9\cdot3.6\frac{km}{h}=17.64\frac{km}{h}\approx18\frac{km}{h}[/tex]

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