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Physics, 23.04.2020 01:00 xo216aaliyah216xo

Un automóvil de juguete de 50 g recorre una pista con velocidad de 5 m/s que mantiene hasta llegar a una pendiente con fricción que lo deja 30 cm más arriba con una velocidad de 3 m/s. ¿Qué trabajo realizó la fricción en el juguete?
A. 0,253 J.
B. 0,147 J
C. 0,147 J.
D. 0,253 J.

si alguien es bueno en física porfa ayuda

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