What question were you trying to answer in this study? A. Why are the lightbulbs exploding?
B. Why are the lightbulbs melting?
C. Why are the lightbulbs so dim?
D. Why are the lightbulbs burning out?

Aplanet of mass m 6.75 x 1024 kg is orbiting in a circular path a star of mass m 2.75 x 1029 kg. the radius of the orbit is r 8.05 x107 km. what is the orbital period (in earth days) of the planet tplanet?

Find the magnetic field a distance r from the center of a long wire that has radius a and carries a uniform current per unit area j in the positive z direction.

The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?