A baseball player hits a baseball with a bat. The mass of the ball is 0.25 kg. The ball accelerates at 200 m/s2. What is the force, to the nearest N, of the bat on the baseball?

State one advantage and one disadvantage of using a plane mirrior as a driving mirrior

Let v1, v2, w be three linearly independent vectors in r 3 . that is, they do not all lie on the same plane. for each of the following (infinite) set of vectors, carefully sketch it in r 3 , and determine whether or not it is a vector space (i. e., a subspace of r 3 ). explain your reasoning

If you put a helium-filled balloon in the refrigerator, what will happen?