A current of 9 a flows through an electric device with a resistance of 43. what must be the applied voltage in this particular circuit?

a. 387 v

b. 4.8 v

c. 387 a

d. 4.8 a

How many potatoes does an average person eat in a lifetime?

The temperature and volume in a closed container of gas remain constant, if the particles of gas is increased, what will happen to the gas pressure? A. it will increase B. it will decrease C. it will remain constant D. you cannot predict it

What determines the atomic mass of an element? A. the sum of the protons and electrons B. the sum of the ions and isotopes C. the sum of the protons and the neutrons D. the sum of the neutrons and the electrons

What is the primary source of sound

From fastest to slowest, rank the speeds of the ball 1 second after being thrown. ball A) weight of 1.8kg, travels at 7 m/s ball B) weight of 0.1kg, travels at 11 m/s ball C) weight of 3.1kg, travels at 4 m/s

An object weighs 32 newtons. What is its mass if a gravitometer indicates that g = 8.25 m/s2?

At what stage of a reaction do atoms have the highest energy? a. reactant stage b. product stage c. transition state stage d. The stage of highest energy depends on the atom.

A moon with a mass of 6.0 x 10 kg orbits about a planet with a mass of 5.0x 10^24 kg. They are 4.0 x 10^8 meters apart What is the gravitational force between them? The answer is 1.

What is the expression of the chemical composition of a compound?

What do we call it when an object exerts force on another for a short period of time? * Momentum Work Impulse Friction