Where do we find striking tectonic features among the small moons of Uranus?
What will be an ideal response?
Ariel has many signs of new material welling up into cracks, creating grooved terrain. Tidal forces probably play a major role.
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Internal forces cannot change the total momentum of a system
Indicate whether the statement is true or false
Specific Heat: A thermally isolated system is made up of a hot piece of aluminum and a cold piece of copper, with the aluminum and the copper in thermal contact. The specific heat capacity of aluminum is more than double that of copper. Which object experiences the greater temperature change during the time the system takes to reach thermal equilibrium?
A. the copper B. the aluminum C. Neither one; both of them experience the same size temperature change. D. It is impossible to tell without knowing the masses. E. It is impossible to tell without knowing the volumes.
Nellie runs the length of a 100-yard football field in a time of 20 seconds. Her average running speed is
A) 1/2 yard/second. B) 5 yards/second. C) 50 yards/second. D) not enough information
Suppose a particle is being accelerated through space by a 10-N force. Suddenly the particle encounters a second force of 10 N in the opposite direction. The particle with both forces acting
A) is brought to a rapid halt. B) decelerates gradually to a halt. C) continues at the speed it had when it encountered the second force. D) theoretically tends to accelerate toward the speed of light. E) none of the above