Answer:
They measured their train using their handspan
Answer:
A
Explanation:
Actual output divided by the effective capacity. It is the ratio of output to effectiveness
Answer:
its a solid but can flow
Explanation:
those answers to choose from are wrong
Answer:
289282
Explanation:
r = Radius of plate = 0.52 mm
d = Plate separation = 0.013 mm
A = Area = 
V = Potential applied = 2 mV
k = Dielectric constant = 40
= Electric constant = 
Capacitance is given by

Charge is given by

Number of electron is given by

The number of charge carriers that will accumulate on this capacitor is approximately 289282.