Volleyballl Rolls horizontally along the sand and accerlates at a rate lf 6 m/s/s. The volleyballs mass is 0.25 kg using newtons second law calculate the force that causes acceleration. please help

Apiece of copper has a temperature of 75.6 0c. when the metal is placed in 100.0 grams of water at 19.1 0c, the temperature rises by 5.5 0c. what is the mass of the metal?

Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o

How is energy related to the change of state represented by the model? atoms gain energy as a solid changes to a liquid. atoms gain energy as a solid changes to a gas. atoms lose energy as a solid changes to a liquid. atoms lose energy as a solid changes to a gas.