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

Plss anybody know how to do this? ? i need the answers from a through d

Asatellite component is in the shape of a cube with 10cm edges, has an evenly distributed mass of 2 kg and one bolt hole at each of four corners. if the maximum predicted random vibration environment is 10 grms, what bolt size would be a good choice for restraint? what other factors might drive bolt size besides force/stress?

Abar magnet cut in half will form a total ofpoles.a)fourb)eightc)two