What is the value of j in the equation j j 14 = 3 j 10?
a. 2
b. 2
c. 4
d. 16

To do work, this truck uses energy stored in chemical fuel and an electrical battery. how much total energy does this truck put out?

The two required components for a generator

Light from a sodium lamp passes through a diffraction grating that has 1000 slits per millimeter. the interference pattern is viewed on a screen 1.000 m behind the grating. the first (m = 1) two bright yellow fringes that are visible are 0.7288 m and 0.7300 m from the central maximum. what are the wavelengths of these two fringes?