What do you think a force diagram might look like for a hit that causes a concussion? Draw a diagram. Consider only the person’s
1 answer:
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Answer:
The magnitude of the magnetic field is 7.49x10⁻⁶T
Explanation:
The magnetic field is:
Where
i = current = 3 A
R = radius = 2.4 cm = 0.024 m
r = distance = 0.72 cm = 7.2x10⁻³m
Replacing:
Efficiency
Explanation:
Efficiency is a ratio/percentage that is useful in comparing the energy transferred by a device to the total energy supplied to it.
Percentage efficiency = x 100
- As with most system, none is 100% efficient.
- During energy is transferred some are lost and only a little portion is used in doing actual work by the machine.
- This validates the third law of thermodynamics which proposes that no system is 100% efficient.
- A 100% efficiency implies total energy input is used doing all the work.
- This is impossible. The bulk of the energy goes into heating the system.
learn more:
Third law of thermodynamics brainly.com/question/3564634
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