On a trip to the store around the block a bike rider goes 75 m toward the West and 75 m toward the North at a constant speed of 1.5 m/s. What is the magnitude of the average velocity? (1 point)

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