How does the cmb connect to the expanding universe?

Find the momentum for a 2.6-kg brick parachuting straight downward at a constant speed of 8.4 m/s .

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Point charges q1 = 51 µc and q2 = −27 µc are placed 1.0 m apart, with q2 on the right. what is the force (in n) on a third charge q3 = 19 µc placed midway between q1 and q2? (assume the positive direction is to the right. indicate the direction with the sign of your answer.)