A 1200 kg toy boat is traveling at 13 m/s and strikes a 170 kg floating blow up swan (yup saw this on Lake Conroe over the weekend) at rest. After the collision, the boat travels 7 m/s in the same direction. Find the swan's speed just after the toy boat collides with it. (elastic)

What is the most useful equation for electric power?

This is a form of winter precipitation. it is frozen precipitation falling as ice pellets. snowflakes melt into raindrops as they pass through a thin layer of warmer air. the raindrops then refreeze into particles of ice when they fall into a layer of sub-freezing air near the surface of the earth. this precipitation is called a) hail. b) rain. c) sleet. d) snow.

3. which is not a primary color of light? blue red green yellow