Toy train engine rests motionless on a track. One student begins pushing the engine to the right with a force of 2 N. At the same time, another student begins pushing the engine to the left with a force of 5 N. Which of the following best describes the resulting?
A. It travels left at a constant speed.
B. It travels left at an increasing speed.
C. It travels right at a constant speed,
D. It travels right at an increasing speed.
Answers: 3
Physics, 22.06.2019 09:00
What changes occur in the brain during the teenage years? 25 points, someone me out!a.) thinking becomes slower as the brain grows larger. b.) connections between neurons become stronger and faster. c.) unused neurons fuse together to form larger, better functioning neurons. d.) more neurons are developed.
Answers: 2
Physics, 22.06.2019 11:50
Two resistors r1 and r2 may be connected either in series or parallel across an ideal battery with emf ε. we desire the rate of energy dissipation of the parallel combination to be 8.75 times that of the series combination. if r1 = 105 ω, what are the (a) smaller and (b) larger of the two values of r2 that result in that dissipation rate?
Answers: 2
Toy train engine rests motionless on a track. One student begins pushing the engine to the right wit...
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