3. If the specific heat of iron = 0.46 J/g Cº, how much heat is needed to warm 50 g of Iron from 20° C to 100°C?

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.

Simple machines can a. increase force only b. decrease force only c. increase or decrease force

Acid precipitation chemically weathering a 5.0-kg limestone rock . which coukd be the result ?