Answer:
B
Step-by-step explanation:
Answer:
0.05 amps.
Step-by-step explanation:
I remember this one from high school.
V=IR (V=Voltage, I=Current, and R= Resistor) *Substitue values.
I=V/R
0.6/12
Divide = 0.05 Ampere
Answer:
X=9 and Y=81
Step-by-step explanation:
Since the real track has a gauge of 3 feet but the model railroad track has a gauge of 3/4 inches, the scale factor must be 1/4, because you must follow the rule
"true measurement * scale factor = model measurement"
In fact, we have
This implies that the original driving wheels height, 44 inches, must be scaled down to
inches.