A projectile is hit with speed 20 m/s at some angle, and it reaches a velocity of 3 m/s at the highest point. Calculate the time needed by this projectile to reach the ground if it is shot from the roof of a building 29m high.

In automobile steering wheel is shown what is the ideal mechanical advantage blank? if the ama is eight what is the efficiency of the steering wheel?

You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?

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.