Question

a 0.47uF capacitor holds a 1.0 uc of charge on each plate. what is the potential difference across the capacitor?

Answer 1

1.0 x 10⁻⁶ C / 4.7 x 10⁻⁷ F = 2.13 V

1/2 ( 7.5 x 10⁻⁷)(2.13)²
= 1.70x10^-6 J

Answer 2

The heel on a pair of women’s shoes tapers from a radius of 1.75 cm down to a radius of 0.50 cm at the bottom. If 50% of the weight of a 600 N woman is supported by each heel, find the stress on each heel. Submit your answer in MPa.

Answer 3

pls help