1for hydrogen in a 3d state, draw the possible orientations of −→l . find all the possible angles between −→l and the z-axis.

grav forces affect all objects magnetic forces affect magnetic objects and electric currents

when a device is used in a circuit in which the voltage is 81 v, the current flowing through the device is 3 a. what is the resistance of the device?

a. 27 ω

b. 40.5 a

c. 243 ω

d. 243 a

the correct answer is a. 27

the components of a vector are the parts of the vectors that are to each other.

b perpendicular