A ferry approaches shore, moving north with a speed of 5.8 m/sm/s relative to the dock. A person on the ferry walks from one side of the ferry to the other, moving east with a speed of 1.5 m/sm/s relative to the ferry. What is the speed of the person relative to the dock?

When many atoms are split in a chain reaction, a large explosion occurs. this is an example of what type of energy conservation

An object is 10. cm from the mirror, its height is 3.0 cm, and the focal length is 2.0 cm. what is the image height? (indicate the object orientation by including the + or - sign with the answer.) hi = cm +1.33 -1.33 +0.75 -0.75

Greg drew a diagram to compare two of the fundamental forces. which labels belong in the areas marked x, y and z? gravitational force electromagnetic force x. attractive y repulsive z: infinite range x: infinite range y attractive z. repulsive x. always attractive y: infinite range z: attractive or repulsive x. attractive or repulsive y infinite range z: always attractive