Answer:
D. Current with not flow through a wire if the magnet is outside the coil.
Explanation:
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Initial velocity, u = 0
Final velocity, v = 60 m/s (at take off)
Duration of the acceleration, t = 4 s
Calculate average acceleration.
a = (v - u)/t
= (60 m/s)/(4 s)
= 15 m/s²
Calculate the distance traveled during acceleration.
s = ut + (1/2)*a*t²
= 0.5*(15 m/s²)*(4 s)²
= 120 m
Answer: 120 m
RLLY?
Explanation:
ALSO
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Power is the ratio between energy and time:
In our problem we have E=76 J and t=3.7 s. Therefore, the power is
Answer:
2
Explanation:
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