The two forces F1r and F2r shown

in Fig. 4–52a and b (looking down)

act on an 18.5-kg object on a

frictionless tabletop. If F1 = 10.2 N

and F2 = 16.0 N, find the net force

on the object and its acceleration for

(a) and (b).

answer: d. a cme increases the amount of energy in the solar wind

explanation:

coronal mass ejections, also called cmes, are large clouds of plasma and magnetic field that erupt from the sun. only when the cloud is aimed at earth will the cme hit earth and therefore cause impacts. high-speed solar wind streams come from areas on the sun known as coronal holes.

i am pretty sure it is c because when people are closer together, they cannot move as freely. picture being in a mostly full elevator, for instance. the people are right next to you, and you can barely move.

answer///isobars;