A spring with a k value of 200 N/m is compressed by 20 cm. It has a 10 kg mass attached to it. A. What is the Potential energy of this spring? B. What is the Kinetic energy of the mass C. What is the velocity of the box when the spring is released

How many neutrons does element x have if it’s stormy umber is 33 and it’s mass number is 95?

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

Phase changes are chemical changes. true or false