Asupra unui corp de masa m=5kg care se deplasează de-a lungul axei Ox acționează o forță rezultată a cărei dependență de timp este reprezentată în figura alăturată. La momentul inițial corpul se află în repaus. Calculați:
a) accelerația corpului
b) viteza corpului la momentul t=2s
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Asupra unui corp de masa m=5kg care se deplasează de-a lungul axei Ox acționează o forță rezultată a...
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