Question 2 When the frequency of SOUND changes, we hear a change in
when the frequency of LIGHT changes we see a change in
А
intensity, color
9
B
loudness, brightness
С
pitch, color
D
pitch, brightness
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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.)