Q1. An air molecule is moving at a speed of 450 m/s. How many meters would the molecule move during 7.00 ms (milliseconds) if it didn't collide with any other molecules?
Q2. Albert is piloting his spaceship, heading east with the speed of 0.90c. Albert's ship sends a light beam in the forward (east) direction, which travels away from his ship at speed c. Meanwhile, Isaac is piloting his ship in the westward direction, also at 0.90 c.
(a) Sketch a diagram of this situation. Include Albert, Isaac, the light beam from Albert's ship, and speeds.
(b) With what speed does Isaac see Albert's light beam pass his ship?
Q3. State and in terms of the length of the vector and the angle with the components separated by the comma.