If a vector that is 3cm long represents 30 km/h, what velocity does a 5 cm long vector which is drawn using the same scale represent?
A.50 km/h
B. 60 km/h
C. 100 km/h
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Ответ:
A. 50 km/h
Explanation:
3 * 10 = 30
5 * 10 = 50
Ответ:
They are inversely proportional. If the frequency goes up, the wavelength will go down
Explanation: