Q1. The pilot of an aircraft wishes to fly due west in a 37.70 km/h wind blowing toward the south. The speed of the aircraft in the absence of the wind is 191 km/h.
Q2. If the first astronaut were moving at 4 m/s, and the two astronauts have the same mass, what is their final momentum after they collide? Suppose each astronaut has a mass of 100 kg.
Q3. A 27 rifle bullet travelling 215 buries itself in a 3.4- pendulum hanging on a 2.60 long string, which makes the pendulum swing upward in an arc.