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A sphere has a surface uniformly charged with 1.00 C. At what distance from its center is the potential 5.00 MV?

A sound wave traveling in  20 0C air has a pressure amplitude of 0.5 Pa. What is the intensity of the wave?

Find the size of the smallest detail observable in human tissue with 20.0-MHz ultrasound. (The average propagation speed for sound in body tissue is 1540 m/s) 

The factor of  10^-12 in the range of intensities to which the ear can respond, from threshold to that causing damage after brief exposure, is truly remarkable. If you could measure distances over the same range with a single instrument and the smallest distance you could measure was 1 mm, what would the largest be?

The naturally occurring charge on the ground on a fine day out in the open country is -1.00 nC/m2 . Calculate the electric potential at  a height of 3.00 m above the ground.

A  165 microF capacitor is used in conjunction with a motor. How much energy is stored in it when 119 V is applied?

The frequencies to which the ear responds vary by a factor of 103 . Suppose the speedometer on your car measured speeds differing by the same factor of 103 , and the greatest speed it reads is 90.0 mi/h. What would be the slowest nonzero speed it could read?

What total capacitances can you make by connecting a 5.00 microF and an 8.00 microF capacitor together in series?

The factor of  10^-12 in the range of intensities to which the ear can respond, from threshold to that causing damage after brief exposure, is truly remarkable. If you could measure distances over the same range with a single instrument and the smallest distance you could measure was 1 mm, what would the largest be?

What is the energy stored in the  10.0 microF capacitor of a heart defibrillator charged to 9.00 X 103 V ?