Relative Motion Chapter 3 Section 4. Frames of Reference. If your in a car going down the road at 60mi/hr due north and a car passes you going 70mi/hr due north, it seems as if the car passing you is going 10mi/hr.
A spy runs from the front to the back of an aircraft carrier with a speed of 3.5m/s. If the aircraft carrier is moving forward at 18m/s, how fast does the spy appear to be running when viewed by an observer on a near by submarine?
A ferry is crossing a river. If the ferry is heading due north with a speed 2.5m/s relative to the water and the river’s velocity is 3.0m/s to the east, what will the boat’s velocity be relative to Earth?