Explain how a galvanometer works and what it is used for. Answer with at
least two complete sentences.

A100 kg running back runs at 5m/s into a stationary linebacker. it takes 0.5 for the running back to be completely stopped

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.)

Holes drilled several kilometers into earth’s crust provide direct evidence about earth’s interior in the form of