Sitting in a parked bus, you suddenly look up at a bus moving alongside and it appears that you are moving. Why is this? How about with both buses moving in opposite directions?
Answer to relevant QuestionsWhen driving to the basket for a layup, a basketball player usually tosses the ball gently upward relative to herself. Explain why. An airplane climbs at an angle of with a horizontal component of speed of 200 km/h. (a) What is the plane’s actual speed? (b) What is the magnitude of the vertical component of its velocity? Using the triangle method, show graphically that (a) A-bar + B-bar = B-bar + A-bar and (b) If A-bar – B-bar = C-bar, then A-bar = B-bar + C-bar (a) If each of the two components (x and y) of a vector are doubled, (1) the vector’s magnitude doubles, but the direction remains unchanged; (2) the vector’s magnitude remains unchanged, but the direction angle doubles; ...In two successive chess moves, a player first moves his queen two squares forward, then moves the queen three steps to the left (from the player’s view). Assume each square is 3.0 cm on a side. (a) Using forward (toward ...
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