North
east
1. a particle moves alone a curved path as shown
with constant speed. its velocity vector is shown
at two different times. what is the direction of
the acceleration when the particle is at point x?
a. north
b. south
c. east
d. west
e. zero
west
south

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.