You are in a train traveling on a horizontal track and notice that a piece of luggage starts to slide directly toward the front of the train. From this observation, you can conclude that this train is
A) speeding up.
B) slowing down.
C) changing direction.
D) speeding up and changing direction.
E) slowing down and changing direction.
B
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Self-Inductance: A coil with a self-inductance of 6.0 H has a constant current of 2.0 A flowing through it for 2.0 s. What is the emf induced in this coil?
A. 6.0 V B. 12 V C. 0.0 V D. 4.0 V E. 8.0 V
Why is a complete image formed even if half of a lens or mirror is blocked?
What will be an ideal response?
Compared to the buoyant force on you when floating in fresh water, buoyant force on you when floating in the dense water of the Dead Sea is
A) less because volume displacement is less. B) more because of the greater density of fluid displaced. C) the same.
A disk and a hoop of the same mass and radius are released at the same time at the top of an inclined plane and roll without slipping. Which object reaches the bottom of the incline first?
A) The hoop B) The disk C) Both reach the bottom at the same time. D) It depends on the angle of inclination. E) It depends on the length of the inclined surface.