Gauss's law states that the net electric flux ΦE through any closed Gaussian surface is equal to the net charge inside the surface divided by 4πε0.

a. True

b. False

What active part of the follicle is represented as a "bulb" in the model?

Why is Einstein's description of gravity called a theory, while Newton's is a law?

Is it possible for an object's instantaneous velocity and instantaneous acceleration to be of opposite sign at some instant of time?

True or false? A protostellar cloud spins faster as it contracts

While the change in force will remain the same during a collision

To lift a car, you use a hydraulic lift filled with a fluid that has density of 1 1200 kg/m3. The radius of one half of the lift is 0.5 meters and the diameter of the other half of the lift is 2.5 meters.

Charlie runs an auto repair and mechanic shop. A hot rod has come in with mass 1500 kg requiring a repair. He needs to raise the car using a hydraulic lift on a piston (Piston A) having a radius of 25 cm.

What does 4_2 helium means

The type of energy transferred by a wave in a medium is energy

With an average acceleration of - 2.4 m/s2, how long will it take a cyclist to bring a bicycle with an initial speed of 13.2 m/s to a complete stop? Answer in units of s.