Acceleration of gravity on jupiter

The law of reflection states that the angle of reflection is equal to the angle of

Name three populations commonly found in a prairie system

Ball bearings are made by letting spherical drops of molten metal fall inside a talll tower-called a shot tower- and solidify as they fall. a-if a bearing needs 4.0 s to solidify enough for impact, how high must the tower be? b- what is the bearing's impact velocity?