A magnet is made from materials that is magnetized and create its own persistent magnetic field while a electromagnet is mad from coil of wire which acts as a magnet when electric current passes through it.
Answer:
2.25m/s
Explanation:
wavelength=4.5m
period=2sec
frequency= 1/period
=1/2
speed= wavelength×wave frequency
=4.5×1/2
=2.25 m/s
so, none of the options are correct
C is the answer Because chemical energy Create heat And thermal power relates to heat energy
Answer:
the light will reflect parallel to the principal axis
<span>During which lunar phase is the moon's far side entirely lit?</span><span>
"Near side entirely lit" means we see the whole side facing us. The moon looks like a complete circle.
Hope This Helped! :3</span>
