1. A swimmer has a mass of 80 kg and is swimming at a speed of 6 m/s.
a. What type of energy does she have?
b. How much energy does she have?

Which units can be used to measure length or distance? check all that apply. gram meter kilometer liter inch

22. the effect of threshold braking is to a cause skids. b. lock wheels. c. prevent locking of wheels. d. increase stopping distance.

Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.