When electricity flows through a coil of wire, what does the resultant magnetic field resemble?
a. the magnetic field of a bar magnet.
b. the magnetic field of a horseshoe magnet.
c. the magnetic field around a straight wire.
d. the magnetic field around a circular magnetic disc.

1kg of water needs to recieve 4200j of energy to go from 90 degrees to 91 degrees. what is the specific heat capacity of water? what are the units?

First to answer will be the brainliest i need the answer asap

Use the ratio form of kepler’s third law, = , and the data provided to determine the time it takes mars to orbit the sun. round your answer to the nearest tenth. earth’s orbital period = 1.0 earth year earth’s distance from the sun = 1.0 au mars’s distance from the sun = 1.5 au it takes mars about ⇒ 1.8 earth years to orbit the sun.