What must happen to the electrons in a material to create an electric current?

How much force to be applied to accelerate cart 0.3m/sec2 if cart has 65 kg mass

Which of the following actions will directly affect the gravitational force between two objects? Increasing the mass of the objects Increasing the pressure on the objects Decreasing the temperature of the objects Decreasing the speed of the objects

In a food chain, which trophic level contains the greatest amount of energy? A. decomposers B. producers C. herbivores D. carnivores

A guitar string with a linear mass density of 2.0 g/m is stretched between two vertical rods that are 65 cm apart.

If the pressure acting on a given sample of an ideal gas at constant temperature is tripled, what happens to the volume of the gas? a) The volume is reduced to one-third of its original value.

If an astronomer claims to have discovered an object with a very eccentric orbit, what best describes the orbital trajectory of the object?

This gland lets your body use energy

Question: Suppose you see a crescent Moon; how much of the Moon's entire surface (the full globe of the Moon) is in daylight?

What is the maximum number of atoms that can be bonded in an ionic bond

You dribble a basketball while walking on a basketball court list the pairs of action reaction forces in this situation