A ball is dropped from the top of an eleven-story building to a balcony on the ninth floor. In which case is the change in the potential energy associated with the motion of the ball the greatest

Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.

Uppose we consider the system of the three capacitors as a single "equivalent" capacitor. given the charges of the three individual capacitors calculated in the previous part, find the total charge qtot for this equivalent capacitor. express your answer in terms of v and c.

What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d. mass