If two slide projectors are connected in series across the same 120 volt source, the current drawn from the source remains at 6 amperes
Indicate whether the statement is true or false
F
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Thin Lenses: Starting from very far away, an object is moved closer and closer to a converging lens, eventually reaching the lens. What happens to its image formed by that lens? (There could be more than one correct choice.)
A. The image gets closer and closer to the lens. B. The image gets farther and farther from the lens. C. The image eventually changes from virtual to real. D. The image eventually changes from real to virtual. E. The image keeps getting larger and larger.
Find the net work done by friction on the body of a snake slithering in a complete circle of radius. The coefficient of friction between the ground and the snake is 0.25, and the snake's weight is
A) -330 J B) 0 J C) -3300 J D) -670 J
An object is moving very fast perpendicularly to your line of sight. What shift will you observe in its spectrum?
A. no shift B. red shift C. yellow shift D. blue shift
A metal blade (length = 80 cm) spins at a constant rate of 10 radians/s about a pivot at one end. A uniform magnetic field of 2.0 mT is directed at an angle of 30° with the plane of the rotation. What is the magnitude of the potential difference between the two ends of the blade?
A. 5.5 mV B. 6.4 mV C. 3.2 mV D. 11 mV E. 13 mV