Una locomotiva traina un solo vagone, che ha la sua stessa massa, con la forza di
4000 N. Alla...
Physics, 23.05.2020 14:58 assassin42
Una locomotiva traina un solo vagone, che ha la sua stessa massa, con la forza di
4000 N. Alla locomotiva vengono aggiunti altri quattro vagoni identici al primo:
quale forza deve sviluppare adesso la locomotiva affinché il convoglio mantenga
la stessa accelerazione?
h
10 000 N
8 000 N
12 000 N
16 000 N
Answers: 2
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Suppose a force of 60 n is required to stretch and hold a spring 0.1 m from its equilibrium position. a. assuming the spring obeys hooke's law, find the spring constant k. b. how much work is required to compress the spring 0.5 m from its equilibrium position? c. how much work is required to stretch the spring 0.6 m from its equilibrium position? d. how much additional work is required to stretch the spring 0.1 m if it has already been stretched 0.1 m from its equilibrium? a. kequals 600
Answers: 2
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