For the circuit shown, calculate

a. the total resistance

b. the total voltage (total current= 2a

c. the current through each resistor

What are the phases shown in a and d called?

Truck traveling west on the highway experiences an acceleration to the east. what could be the cause of this acceleration

Abird flies directly overhead from where you stand at an altitude of 300.0 m and at a speed horizontal to the ground of 20.0 m/s. the bird has a mass of 2.0 kg. the radius vector to the bird makes an angle \thetaθ with respect to the ground. the radius vector to the bird and its momentum vector lie in the xyxy-plane. what is the bird’s angular momentum about the point where you are standing?