Noitta24 Noitta24

14-02-2024
Physics

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Un cos de massa 8 kg recorre 50 m damunt un pla horitzontal . L’impulsa una força horitzontal de 40 N i hi ha una força de fregament de 15 N.
Calculeu:
a) El treball realitzat per cada una de les forces anteriors
b) El treball realitzat per la força resultant.

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