A quick jerk on a sheet of paper beneath a box of cereal doesn't topple the box, which best illustrates that
A) the box has no acceleration.
B) there is an action-reaction pair of forces.
C) gravity tends to hold the box secure.
D) the box has inertia.
Answer: D
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What is the cause of Jupiter's slight flattening, which results in an equatorial diameter 6% greater than its polar diameter?
A) its rapid spin cycle B) its massive gravitational pull C) nuclear fission within its core D) its frequent reversal of its magnetic poles
Water waves pass by a piece of cork floating on the water that bobs up and down one complete cycle each second. The waves are 2 meters long. What is the speed of the wave?
A) 0.25 m/s B) 0.50 m/s C) 1.0 m/s D) 2 m/s E) 4 m/s
One way of stating the principle of relativity is:
A) Light has the same speed for all nonaccelerated observers. B) Experiments conducted entirely within your own lab will come out differently, depending on the state of motion of the lab relative to other reference frames. C) Observers that are accelerated will see light beams move at something other than lightspeed. D) Unless you look outside, you cannot tell how fast you are going. E) The speed of light is relative to the motion of the observer, provided that the observer is not accelerated.
Short range interactions generally have carrier particles of greater mass than those for long range interactions
a. True b. False Indicate whether the statement is true or false