John runs around a 126.5 m circular track 3.5 times in 4.17 minutes. what is his average speed?

Ways that industry and agriculture use physical properties to separate substances

A0.750 kg aluminum pan is removed from the stove and plunged into a sink filled with 10.0 kg of water at 293 k. the water temperature quickly rises to 297 k. what was the initial temperature of the aluminum pan? the specific heat of aluminum is ca = 900 j/(kgk) and water is cw = 4190 j/(kgk)

Multiply or divide to make this english distance conversion. 174 inches = feet (14.5, 58, 2,088, 23)