Answer:
Heat is added to a substance, but its temperature does not rise. Which one of the following statements provides the best explanation for this observation? the substance must be a gas. the substance must be a non-perfect solid. the substance undergoes a change of phase. the substance has unusual thermal properties. the substance must be cooler than its environment.
Answer:
a) , b) , c) , d)
Explanation:
a) The angular velocity of the turntable after .
b) The change in angular position is:
c) The tangential speed of a point on the rim of the turn-table:
d) The tangential and normal components of the acceleration of the turn-table:
The magnitude of the resultant acceleration is:
Answer:
The Answer is B because the material the object is made of, the position, or the color have absolutely nothing to do with gravitational potential energy
Answer:
0.5 Hz
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