A person carries a mass of 10 kg and walks along the +x-axis for a distance of 100 m with a constant velocity of 2 m/s. What is the work done by this person?
A) 0 J
B) 20 J
C) 200 J
D) 1000 J
E) None of the other choices is correct.
A
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The total linear momentum of an isolated system of masses remains the same if there are no external ______________ acting on the system
a. forces b. torques c. unbalanced forces d. unbalanced torques
The SI unit H (the henry) is equal to a
A. V/m. B. V/A. C. V·s. D. V·s/A. E. V·A/s.
How much heat is required to raise the temperature of 2 moles of an ideal monatomic gas by 10 C° at constant volume?
A) 249 J B) 416 J C) 208 J D) 200 J E) 125 J
Blue light differs from red light in that
a. blue light has a higher energy than red light. b. blue light has a lower energy than red light. c. blue light has a shorter wavelength than red light. d. blue light has a longer wavelength than red light. e. More than one of the other choices are correct.