Buddy the Elf throws a 0.420kg snowball from rest to a maximum velocity of 15.0m/s. How much work was
done by Buddy to accelerate the snowball to 15.0 m/s?
47.3J
41.2J
94.5J
Not enough information

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.