Eight identical lights are connected in series across a 110-V line. A. What is the voltage across each bulb? B. If the current is 0.50 A, what is the resistance of each bulb, and what is the power dissipated in each?​

John throws .4 kg ball with velocity of 18 m/s. hits .2 kg bottle and bottle flies 25 m/s. how fast is ball traveling after hitting the bottle?

I'm thinking it's 2 you are asked to explain the earth's magnetic field. which is the best reply? 1. the earth's magnetic south is similar to the north pole of a magnet. 2. the earth's core has a strong magnetic charge similar to the south pole of a magnet. 3. the earth's geomagnetic south is similar to the south pole of a magnet. 4. the earth's magnetic charge is not centered at either pole; it varies based on location.

Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?