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

Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies.

What is the type of the reaction below? bacl2 + h2so4 → 2 hci + baso4 double replacement synthesis single replacement decomposition

Tafari worked one summer on a ship that set weather buoys in the ocean. he watched how one of the buoys moved in the water. describe which parts of the wave would cause the buoy to bob up and down. which wave property determined how fast the buoys bobbed in the water? he observed that when the wind blew harder, the ocean waves were larger, and the buoys moved away from the ship. what effect, if any, did the waves have on how far the buoys moved? explain your answer.