A 2000 kg boat drifts along the waves at a velocity of 3 m/s. What is the kinetic energy of the boat?

Select one:

18,000 J

6000 J



OJ

9000 J

The electric potential a distance r from a small charge is proportional to what power of the distance from the charge? a. r^-1 b. r c. r^-2 d. r^2

A14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.

What is the name of the perceived change in a sound wave’s frequency due to motion between the observer and the sound source?