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07.01.2022 •
Mathematics
A force F(x)=(−5. 0x 2 7. 0x)N acts on a particle. (a) How much work does the force do on the particle as it moves from x=2. 0m to x=5. 0m?? (b) Picking a convenient reference point of the potential energy to be zero at x=[infinity], find the potential energy for this force.
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Ответ:
-3 < r < 5
Step-by-step explanation:
-5 < 3r + 4 < 19 (first subtract 4 from both sides)
-9 < 3r < 15 (then divide both sides by 3)
-3 < r < 5