a) A 12.0 m long, thin, uniform steel beam slides south at a speed of 21.0 m/s. The length of the beam maintains an east-west orientation while sliding. The vertical component of the Earth's magnetic field at this location has a magnitude of 44.0 µT. What is the magnitude of the induced emf between the ends of the beam (in mV)? mV (b) What If? The west end of the beam impacts and sticks to a pylon, causing the beam to rotate clockwise as viewed from above. While the beam rotates, what is the magnitude of the induced emf between the ends of the beam (in mV)? (Hint: use conservation of angular momentum to find the speed of the beam after the collision.) mV
a) A 12.0 m long, thin, uniform steel beam slides south at a speed of 21.0 m/s. The length of the beam maintains an east-west orientation while sliding. The vertical component of the Earth's magnetic field at this location has a magnitude of 44.0 µT. What is the magnitude of the induced emf between the ends of the beam (in mV)? mV (b) What If? The west end of the beam impacts and sticks to a pylon, causing the beam to rotate clockwise as viewed from above. While the beam rotates, what is the magnitude of the induced emf between the ends of the beam (in mV)? (Hint: use conservation of angular momentum to find the speed of the beam after the collision.) mV
a) A 12.0 m long, thin, uniform steel beam slides south at a speed of 21.0 m/s. The length of the beam maintains an east-west orientation while sliding. The vertical component of the Earth's magnetic field at this location has a magnitude of 44.0 µT. What is the magnitude of the induced emf between the ends of the beam (in mV)? mV (b) What If? The west end of the beam impacts and sticks to a pylon, causing the beam to rotate clockwise as viewed from above. While the beam rotates, what is the magnitude of the induced emf between the ends of the beam (in mV)? (Hint: use conservation of angular momentum to find the speed of the beam after the collision.) mV
A 12.0 m long, thin, uniform steel beam slides south at a speed of 21.0 m/s. The length of the beam maintains an east-west orientation while sliding. The vertical component of the Earth's magnetic field at this location has a magnitude of 44.0 µT. What is the magnitude of the induced emf between the ends of the beam (in mV)?
mV
(b)
What If? The west end of the beam impacts and sticks to a pylon, causing the beam to rotate clockwise as viewed from above. While the beam rotates, what is the magnitude of the induced emf between the ends of the beam (in mV)? (Hint: use conservation of angular momentum to find the speed of the beam after the collision.)
mV
Transcribed Image Text:(a) A 12.0 m long, thin, uniform steel beam slides south at a speed of 21.0 m/s. The length of the beam maintains an
east-west orientation while sliding. The vertical component of the Earth's magnetic field at this location has a
magnitude of 44.0 µT. What is the magnitude of the induced emf between the ends of the beam (in mV)?
mV
(b) What If? The west end of the beam impacts and sticks to a pylon, causing the beam to rotate clockwise as viewed
from above. While the beam rotates, what is the magnitude of the induced emf between the ends of the beam (in
mV)? (Hint: use conservation of angular momentum to find the speed of the beam after the collision.)
mV
Definition Definition Product of the moment of inertia and angular velocity of the rotating body: (L) = Iω Angular momentum is a vector quantity, and it has both magnitude and direction. The magnitude of angular momentum is represented by the length of the vector, and the direction is the same as the direction of angular velocity.
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