A Dino Bird with a mass of .469 kg is revolving around a point with a diameter of .207 m. The Dino Bird makes 31 revolutions in 48 seconds. What is the linear (tangential) velocity of the Dino Bird in m/s?

a. 5 m/s
b. .43 m/s
c. 1 m/s
d. .5 m/s

What is the mass of the same rock on the earth

Assume similar data for the motion of the blood in your aorta. estimate how many beats of the heart it will take the blood to get from your heart to your brain. (assume that the distance from your heart to your brain is 30 cm)

Match each vocabulary term to its definition. 1. electrons neutral subatomic particles found in the nucleus of the atom 2. neutron lowest energy position of an electron in an atom 3. photon the path of an electron around the nucleus of an atom 4. ground state negatively charged, subatomic particles 5. protons packet of energy of specific size 6. element substance with only one type of atom 7. orbital positively charged, subatomic particles found in the nucleus of the atom