A pilot flies a plane 10 000 km in a direction 30 N of W. How much farther: a) north and b) west has he gone from his starting point?

The slope of a velocity time graph over any interval of time gives the during that interval

Afisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of the water. it takes a time of 2.20 s for the boat to travel from its highest point to its lowest, a total distance of 0.670 m . the fisherman sees that the wave crests are spaced a horizontal distance of 5.80 m apart. (a) how much is the wavelength? (b) find the period of the wave. (c) how fast are the waves traveling? (d) what is the amplitude a of each wave?

Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above