A 70kg astronaut is floating in space. If she throws a 2kg wrench at a velocity of 10 m/s to the left, how fast and in what direction will she travel?
a. 1.4 m/s
b. 0.20 m/s
c. 0.28 m/s
d. 0.57 m/s

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.