32. Explain how an object moving at a constant speed can have a nonzero acceleration?

33. What provides the centripetal force for a car driving on a circular track?

34. Is there an outward force in circular motion? Explain.

35. Suppose an airplane normally flying at 80 km/hr encounters wind at a right angle to its forward motion-crosswind. Will the airplane fly faster or slower than 80 km/hr. Explain.

36. At an instant, a horizontally pointed cannon is fired, a cannonball held at the cannon's side is released and rope to the ground. Which cannonball strikes the ground first, the one fired from the cannon or the one dropped. Explain