Biology, 26.05.2021 01:00 Mordred4987
Un automóvil de 1 000 kg de masa circula por una carretera horizontal con una velocidad constante de 72 km/h; el motor aplica sobre él una fuerza de 200 Nen la dirección y sentido de su movimiento a lo largo de 500 metros. - a) ¿Cuál es la energía cinética inicial del vehículo? S. 2.105 J.- b) ¿Qué trabajo ha realizado el motor sobre el automóvil? ¿Cuál será la energía cinética final suponiendo que no hay rozamiento? S. 105 J ; 3.105 J.- c) ¿Cuál es la velocidad final del automóvil? S. 88,2 km/h
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Un automóvil de 1 000 kg de masa circula por una carretera horizontal con una velocidad constante de...
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