What creates an electric force field that moves electrons through a circult?
a. energy source
b. load
c. metal wires
d. resistance

What are similarities and differences between refraction, reflection, diffraction and absorption?

Aviolently rotating column of air is formed around a region of extremely low air pressure above land. which of these weather conditions is most likely to follow? blizzard cyclone tornado hurricane

Ablock of mass m slides on a horizontal frictionless table with an initial speed v0 . it then compresses a spring of force constant k and is brought to rest. the acceleration of gravity is 9.8 m/s2 . how much is the spring compressed x from its natural length?