Lenz's Law: A bar magnet is oriented above a copper ring, as shown in the figure. If the magnet is pulled upward, what is the direction of the current induced in the ring, as viewed from above?
A. There is no current in the ring.
B. counterclockwise
C. clockwise
Answer: B
Physics & Space Science
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Constant Acceleration Kinematics: A car travels at 15 m/s for 10 s. It then speeds up with a constant acceleration of 2.0 m/s2 for 15 s. At the end of this time, what is its velocity?
A. 15 m/s B. 30 m/s C. 45 m/s D. 375 m/s
Physics & Space Science
Exclusion Principle: A hydrogen atom is in the 6h state. What is the principal quantum number.
A. 0 B. 3 C. 5 D. 6 E. 7
Physics & Space Science
What formation does a cinder cone volcano have?
What will be an ideal response?
Physics & Space Science
A 2.0-? resistor is in series with a parallel combination of 4.0 ?, 6.0 ?, and 12 ?. What is the equivalent resistance of this combination?
A) 24 ? B) 12 ? C) 4.0 ? D) 1.8 ? E) 2.7 ?
Physics & Space Science