Yes, with simple machines
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best and most correct answer among the choices provided by the question is B.
Reaches a max height of
8.25 feet after 0.63 seconds</span>
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Physical changes: melting, evaporating, and condensation. This is a physical change.
Answer:
B = 0.129 T
Explanation:
Given,
frequency, f = 60 Hz
maximum emf = 5200 V
Number of turns, N = 130
Area per turn = 0.82 m²
We know,
ω = 2 π f
ω = 2 π x 60 = 376.99 rad/s
now, Magnetic field calculation


B = 0.129 T
Hence, the magnetic field is equal to B = 0.129 T
How bright a star appears from Earth is the star's apparent magnitude.