A swimmer swims 20 m in 40 s. What is swimmer’s average speed?

Agas is contained in a vertical, frictionless piston–cylinder device. the piston has a mass of 3.2 kg and a cross-sectional area of 35 cm2. a compressed spring above the piston exerts a force of 190 n on the piston. if the atmospheric pressure is 95 kpa, determine the pressure inside the cylinder.

One form of energy can be another type of energy. a. created to form b. transformed into c. destroyed and then created to form

How is zig zagging a form of acceleration?