Afly wheel with a diameter of 1.20m is rotating at an angular speed of 200 rev/min

(a) what is the angular speed of the flywheel in radians per second be
(b)what is the linear speed of a point in the rim of the flywheel
(c) what constant angular acceleration

Give an example in which the electrical energy changes to light energy

Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.

Daughter element the new element produced along with a decay particle in a nuclear transmutation 2. half-life the substance that decays in a nuclear transmutation 3. parent element the change of one chemical element into another by nuclear decay or radioactive bombardment 4. transmutation the time required for the decay of one-half of the atoms in a sample of radioactive material