Water flows through a 0.5 cm diameter pipe connected to a 1 cm diameter pipe. Compared to the speed of the water in the 0.5 cm pipe, the speed in the 1 cm pipe is

When the displacement of a mass on a spring is 12a the half of the amplitude, what fraction of the mechanical energy is kinetic energy? at what displacement, as a fraction of a, is the mechanical energy half kinetic and half potential?

Abowling ball rolling down the lane toward the pins has gravitational potential energy. a. no b. a lot of c. a little

How can a cyclist's acceleration change even if its velocity remains constant?