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Sagot :
Answer:
1. La velocidad del vehículo en su trayectoria de descenso es 65.2 m/s.
2. El vehículo forma un ángulo de 57.5° con la vertical.
Explanation:
1. La magnitud de la velocidad del vehículo está dada por la suma de las componentes del vector en la dirección vertical (y) y horizontal (x):
[tex] v^{2} = v_{x}^{2} + v_{y}^{2} [/tex]
[tex] v = \sqrt{v_{x}^{2} + v_{y}^{2}} = \sqrt{(55 m/s)^{2} + (35 m/s)^{2}} = 65.2 m/s [/tex]
Entonces, la velocidad del vehículo en su trayectoria de descenso es 65.2 m/s.
2. El ángulo que forma la trayectoria con la vertical se puede calcular con trigonometría:
[tex] tan(\theta) = \frac{v_{x}}{v_{y}} [/tex]
[tex] \theta = tan^{-1}(\frac{v_{x}}{v_{y}}) = tan^{-1}(\frac{55}{35}) = 57.5 ^{\circ} [/tex]
Por lo tanto, el vehículo forma un ángulo de 57.5° con la vertical.
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