In a region of space where the magnetic field of the earth has a magnitude of 80 mT and is directed 30° below the horizontal, a 50-cm length of wire oriented horizontally along an east-west direction is moved horizontally to the south with a speed of 20 m/s. What is the magnitude of the induced potential difference between the ends of this wire?
a. 0.45 mV
b. 0.35 mV
c. 0.30 mV
d. 0.40 mV
e. 0.69 mV
D
Physics & Space Science
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When a car of mass accelerates from 10.0 m/s to some final speed, 4.00 × 105 J of work are done on it by the frictional force exerted on the car by the road's surface. Find this final speed
A) 28.0 m/s B) 22.4 m/s C) 25.2 m/s D) 30.8 m/s
Physics & Space Science
The lowest energy level in an atom is its
a. ionization level b. emission level c. absorption level d. photon level e. ground state
Physics & Space Science
Discuss the discovery of Seyfert galaxies and their observable properties
What will be an ideal response?
Physics & Space Science
The Andromeda galaxy will eventually collide with the Milky Way
Indicate whether the statement is true or false
Physics & Space Science