An airplane sprinkles black soot on a snow-covered field. The soot will increase the rate that the snow melts because A. soot increase the melting point of snow
B. soot decreases the surface area of ice crystals
C. soot decreases the specific heat capacity of the snow
D. a black surface absorbs more sunlight than a white surface

What is the measure of a change in an objects velocity?

Imagine that you have two balloons (or, better yet, actually inflate two balloons, if possible). create static electricity around one of the balloons by rubbing it against your hair or your sweater and then bring that balloon close to the other balloon, which has not been charged. try this with at least one other object—and for variety in the discussion, avoid using an object already described by your classmates. then, for your initial post to the discussion, answer the following questions: what happened with the two balloons?

Which of the following are appropriate acceleration units?