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Which is not a way to make an electromagnet stronger?
using a thicker wire
outward from the north pole and inward to the south pole
A negative point charge placed at point A will move toward the right.
Object X has a neutral charge. Object Y has a negative charge.
51.5 watts
4 m/s
8 ohms
you are in free fall as your chair drops suddenly.
A 4.0kg ball is moving at 6.0m/s directly toward a 2.0kg ball which is at rest. They collide and stick together. What is the velocity after the collison? vf=(m1v1+m2v2)/(m1+m2)
using a thicker wire
outward from the north pole and inward to the south pole
A negative point charge placed at point A will move toward the right.
Object X has a neutral charge. Object Y has a negative charge.
51.5 watts
4 m/s
8 ohms
you are in free fall as your chair drops suddenly.
The lines of magnetic field from a bar magnet for closed lines. By convention, the field direction is taken to be
using a thicker wire
outward from the north pole and inward to the south pole
A negative point charge placed at point A will move toward the right.
Object X has a neutral charge. Object Y has a negative charge.
51.5 watts
4 m/s
8 ohms
you are in free fall as your chair drops suddenly.
A positive charge attracts object X. A negative charge repels object Y. Object X is attracted to object Y. (alternation of positive and negative charges)
using a thicker wire
outward from the north pole and inward to the south pole
A negative point charge placed at point A will move toward the right.
Object X has a neutral charge. Object Y has a negative charge.
51.5 watts
4 m/s
8 ohms
you are in free fall as your chair drops suddenly.
You are on a roller coaster and you are momentarily lifted out of your seat when dropped at the top of a very high hill. You feel weightless because
using a thicker wire
outward from the north pole and inward to the south pole
A negative point charge placed at point A will move toward the right.
Object X has a neutral charge. Object Y has a negative charge.
51.5 watts
4 m/s
8 ohms
you are in free fall as your chair drops suddenly.
A negative point charge placed at point A will move toward the right.
using a thicker wire
outward from the north pole and inward to the south pole
A negative point charge placed at point A will move toward the right.
Object X has a neutral charge. Object Y has a negative charge.
51.5 watts
4 m/s
8 ohms
you are in free fall as your chair drops suddenly.
A student lifts her 42kg body 0.25meters in 2seconds. How much power is she exerting? (weight=mass x gravity) (P=Fd/t)
using a thicker wire
outward from the north pole and inward to the south pole
A negative point charge placed at point A will move toward the right.
Object X has a neutral charge. Object Y has a negative charge.
51.5 watts
4 m/s
8 ohms
you are in free fall as your chair drops suddenly.
Suppose the value of one resistor is 40 ohms, and the value of the second resistor is 10 ohms. What is the equivalent resistance? Req = (R x R) / (R + R)
using a thicker wire
outward from the north pole and inward to the south pole
A negative point charge placed at point A will move toward the right.
Object X has a neutral charge. Object Y has a negative charge.
51.5 watts
4 m/s
8 ohms
you are in free fall as your chair drops suddenly.
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