If an object falling freely were somehow equipped with an odometer to measure the distance it travels, then the amount of distance it travels each succeeding second would be
A) constant.
B) less and less each second.
C) greater than the second before.
D) doubled.
Answer: C
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Which of the following scenarios would NOT demonstrate the usefulness of a spacetime diagram?
An AC power generator produces 25 A (rms) at 3600 V. The energy is transmitted through a long-distance power line, which has a total resistance of 50 W. What percentage of the power delivered by the generator is dissipated as heat in the long-distance line if a step-up transformer is not used?
a. 69% c. 0.09% b. 35% d. 1.8%
When Nellie Newton hangs at rest in the middle of a clothesline, the tension will not be the same in each side of the rope when
A) the lengths of rope on each side are different. B) the angles at each side of the rope are unequal. C) she is in equilibrium. D) none of the above
Express the result of the following calculation, in scientific notation, to the proper number of significant figures: ((395600.1)/(6.72)) + 19
What will be an ideal response?