When energy is produced in a reaction it a. is newly created energy b. is from the energy in the reactants c. increases the total amount of energy in the universe

The charge on an electron is 1.60218 × 10−19 c and its mass is 9.10939 × 10−31 kg. how strong a magnetic field must be experienced by the electron if its path is a circle of radius 5.5 cm? answer in units of t.

The mantle is made up of which structural zones?

Match each type of lever with the correct diagram. 1. first-class 2. third-class 3. second-class