Un auto avanza con MRUV. Cuando su rapidez es de 4 m/s, se le aplicaron los frenos, y se detiene después de recorrer 20 m. ¿Qué tiempo demoró el auto en detenerse?

260 miles per hour

explanation:

a is the best answer your welcome

see the picture for the vector

the magnitude of the vector by pythagorean theorem

r = √( (-10)^2 + (3)^2 ) = √109

magnitude = √109 units

the direction angle between vector and x-axis is

tan^(-1)(3/10) = 16.699

so the direction is approximately 16.7 degrees north of west

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