which of the following drives the movement of convection currents

A. pressure differences

B. density differences

C. volume differences

The strength of the electric field of a charged particle becomes greater as the distance from the particle decreases true or false

How many turns should a 10-cm long solenoid have if it is to generate a 1.5 x 10-3 t magnetic field on 1.0 a of current?

If you push a block across the floor with constant force the block will

A rubber band with a mass of. 003 kg is projected at a velocity of 22 m/s. What is the kinetic energy of the rubber band? 1 452 J 0.066 Ј 0.033 Ј 0.726 J

What fossil fuels produce a gas when that are burned that adds to the greenhouse effect

A cell provides 6 V to an LDR. The current through this LDR is measured and is found to be 3 A. What is the resistance of the LDR?

A car travels along eastward with a constant velocity. the magnitude of the acceleration of the car is

What is the weight of a 65 kg astronaut on mars?

When lava cools, what type of Rock forms?

A uniformly charged conducting sphere of 1.1 m diameter has a surface charge density of 6.2 µC/m2. (a) Find the net charge on the sphere. (b) What is the total electric flux leaving the surface of the sphere?