A bar magnet is falling through a loop of wire with constant velocity. The north pole enters first. As the south pole leaves the loop of wire, the induced current (as viewed from above) will be
a. clockwise.
b. counterclockwise.
c. zero.
d. along the length of the magnet.
a
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A person pours 330 g of water at 45°C into an 855-g aluminum container with an initial temperature of 10°C. The specific heat of aluminum is 900 J/(kg?K) and that of water is 4190 J/(kg?K)
What is the final temperature of the system, assuming no heat is exchanged with the surroundings? A) 28°C B) 32°C C) 31°C D) 33°C E) 35°C
Physics deals with force, energy, motion, and ______________
Fill in the blank(s) with correct word
Why can't galaxy evolution go from elliptical to spiral to irregular?
What will be an ideal response?
Newton's Second Law in 2 Dimensions: A 1000-kg barge is being towed by means of two horizontal cables. One cable is pulling with a force of 80.0 N in a direction 30.0° west of north. In what direction should the second cable pull so that the barge will accelerate northward, if the force exerted by the cable is 120 N? Assume that the water exerts no appreciable frictional drag on the barge.
A. 19.5° east of north B. 21.1° east of north C. 39.0° east of north D. 47.5° east of north E. 54.7° east of north