If Z is an atom's atomic number and A is its atomic mass, the atom's neutrons are expressed as: A + Z Z - A A - Z Z = A

Which characteristics make Mercury different from Earth? Check all that apply. rings no moon slow revolution hot surface temperatures atmosphere of carbon dioxide

An object with a mass of 78 kg is lifted through a height of 6 M how much work is done

1. A force of 60 Newtons is applied to the end of a wrench 0.12 m long. How much torque is produced?

Consumer demand is defined as how frequently the prices change. the willingness and ability people have to buy a good. how frequently the people are willing pay for something. how often people what something delivered.

find the x-component of this vector 18.4,0.250. Remember, angles are measured from the + x axis. Find the x-component and y-component

A measure of the energy of motion of the particles in a substance is its

What is the final velocity of the combined bumper cars A 225 kg red bumper car is moving at 3.0 m/s. It hits a stationary 180 kg blue bumper car. The red and blue bumper cars combine and hit a stationary green bumper car of mass 150 kg.

0.4-L glass of water at 20°C is to be cooled with ice to 5°C. The density of water is 1 kg/L, and the specific heat of water at room temperature is c = 4.18 kJ/kg·°C. The specific heat of ice at about 0°C is c = 2.11 kJ/kg·°C.

Regions in a sound wave where particles are farthest apart are called

What will happen to thermal condictivity of a substance if its thickness is doubled? Also give reason.