A child plays with a stone tied to a string and starts swinging it in a circle of radius 2 m at a constant speed of 8 m/s. Calculate the
centripetal acceleration of the stone.

How can you improve the percent yield of copper in this lab? check all possible strategies that will you do so. measure reactants precisely. stir to the reaction take place. chill the reactants before combining them. wait patiently until the reaction completes. make sure to recover as much copper as possible.