A 12v battery is connected across a load having a resistance of 40 ohms determine the current flowing in the load the power consumed and the energy dissipated in 2 minutes

Which is considered to be a scientific model? A) A hypothesis B) A guess based on conjecture C) An opinion based on fact or conjecture D) Mathematical algorithms of natural event

The trans-Atlantic telegraph joined England and the United States by wire. a. True b. False

What is average velocity?

A man, holding a weight in each hand, stands at the center of a horizontal frictionless rotating turntable. The effect of the weights is to double the rotational inertia of the system.

What two physical processes balance each other to create the condition known as gravitational equilibrium in stars?

Are the objects described here in static equilibrium, dynamic equilibrium, or not in equilibrium at all? a. A girder is lifted at constant speed by a crane. b. A girder is lowered by a crane. It is slowing down. c.

What kind of friction is shown between the skydiver and the air?

When charging an object by conduction, what happens to the charges in the object? A. Electrons move, giving the object a static charge. B. The object is forced to generate extra electrons because of the electric field. C.

If an atom has 5 protons and 6 electrons it's charge

N object moves in a circular path at a constant speed. what is the relationship between the directions of the object's velocity and acceleration vectors?