Calculate if an electric hair dryer uses 2,400 j of energy in 2 s, what is its power?

Calculate the force when the moment is 40nm and distance is 4m

Not every lightning strike produces thunder. a. Trueb. False

Imagine that you want to make sure the battery for your string of lights will last as long as possible. A battery will last longer if it powers a circuit with low current.

A ray of light strikes a smooth surface and is reflected. The angle of incidence is 35°. What can be predicted about the angle of reflection?

A sled is accelerating at 2 m/s2 because it is being pushed on ice by Jenny. Tommy then jumps on the sled (he has the same mass as the sled). What has happened to the total mass Jenny is pushing, compared to before?

How to calculate kinetic energy? (physics/physical science)

What's the difference between the offspring of an asexual organism and a sexual organism

The contamination that results from the spread of bacteria from meat to vegetables is called

A rock has a mass of 5 kg on the moon. What is the mass of the rock on the earth

A battery applies 45 volts to a circuit, while an ammeter reads 10 ma. later, the ammeter reading drops to 7 ma. assuming the resistance has not changed, the voltage must have