Another word for electrimagnetic energy is__
2 answers:
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Answer:
a) V.m , into the page
b) V, counterclockwise
Explanation:
a)
At t = 2.90, I = 3.62 + 1.49 * (2.90)^2 = 16.15 A
V.m
Direction is into the page.
b)
Direction is counterclockwise.
Answer:
J = 357.5 kg*m/s
Explanation:
- The impulse exerted on Katelyn when she was on the force plate, is equal to the change in her momentum, according to Newton's 2nd Law.
- Assuming as the positive direction the upward direction (coincident with the positive y-axis) we can express the initial momentum as follows:
- By the same token, the final momentum is as follows:
- As we have already said, the impulse J is just equal to the change in momentum, i.e., the difference between (2) and (1):