Q1. You leave doctor's office after your annual check-up and recall that you weighed 683N in her office. You then get into an elevator that, conveniently, has a scale. Find out the magnitude and direction of elevator's acceleration if the scale reads 725N
Q2. Assume that we suddenly discovered that all these years we would be wrong about the distance from Earth to the Sun, and it is actually 10 percent greater than we would think. How would that affect our approximation of the distance to the Andromeda Galaxy?