The emphasis of the orange-and-apple sequence in your text is
A) to define systems.
B) that actions equal reactions.
C) that forces produce accelerations.
D) defining friction as a force.
E) that mass is not a force.
Answer: A
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Parallel-Plate Capacitor: The plates of a parallel-plate capacitor are maintained with constant potential by a battery as they are pulled apart. During this process, the amount of charge on the plates
A. must increase. B. must decrease. C. must remain constant. D. could either increase or decrease. There is no way to tell from the information given.
A plane flies directly from city A to city B, which are separated by 2300 mi. From A to B, the plane flies into a 65 mi/h headwind. On the return trip from B to A, the wind velocity is unchanged
The trip from B to A takes less than the trip from A to B. What is the airspeed (assumed constant) of the plane relative to the air (that is, the airspeed)? A) 530 mi/h B) 610 mi/h C) 480 mi/h D) 400 mi/h
A submarine can withstand an external pressure of 63 atm before collapsing. If seawater has a density of 1027 kg/m^3 how deep can the sub dive?
a. 7112 meter b. 9251 meter c. 6196 meter d. 8043 meter e. 11467 meter
An ideal monatomic gas cools from 455.0 K to 405.0 K at constant volume as 831 J of energy is removed from it. How many moles of gas are in the sample? The ideal gas constant is R = 8.314 J/mol ? K
A) 1.33 mol B) 0.725 mol C) 2.15 mol D) 2.50 mol E) 1.50 mol