Saturn's rings are
a. composed of ice particles.
b. in the plane of the planet's equator.
c. within the planet's Roche limit.
d. composed of ice particles, in the plane of the planet's equator, and are within the planet's Roche limit.
e. None of the other choices are correct.
d
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A bicycle pump contains air at one atmosphere and 0°C. As the tire is pumped up, the volume of air decreases by 50% with each stroke. What is the new pressure of air (in atm) in the chamber after the first stroke, assuming no temperature change?
A. 2 B. 1 C. 0.5 D. 0.1 E. 3
The figure above shows an example of a(n) ______.
A. storyboard B. wireframe C. heat map D. site map
When a speeding roller-coaster car is at the bottom of a loop, the magnitude of the normal force exerted on the car’s wheels due to its interaction with the track is
A. Greater than the weight of the car and its passengers. B. Equal to the weight of the car and its passengers. C. Less than the weight of the car and its passengers.
A 170. pound halfback is tackled by a 245. pound guard. Each, of course, exerts a force on the other. Which of the players exerts the LARGER force on the other?
What will be an ideal response?