Recent content by RoosterCancer

I was able to find the potential of the ball: V=(9 x10^9NM^2/C^2)*(0.9 x10^-6 C)/0.29m = 27931.03V and was able to answer part a, by adding 100 V to the ball's potential and using the formula. So, for b, I added 1000 V to the potential and for c I added 10000 V to the potential, but the...

Homework Statement A metal sphere of radius r0 = 0.29 m carries a charge Q = 0.90 µC. Equipotential surfaces are to be drawn for 100 V intervals outside the sphere. Determine the radius r of the following equipotentials from the surface. a) first:___m b) tenth:___m c) 100th:_____m...

Homework Statement A meteor has a speed of 94.0 m/s when 700 km above the Earth. It is falling vertically (ignore air resistance) and strikes a bed of sand in which it is brought to rest in 3.03 m. a) What is its speed just before striking the sand? b) How much work does the sand do to...