26. Lucia lleva de paseo por el parque a su bebé en su carriola, aplicando una fuerza de 43.5 N a 322° respecto al eje horizontal, ¿Cuáles son las componentes ortogonales (Fxy
Fy) de la fuerza?
A) 342.78N, -267.81 N
B) 26.78 N, 34 28 N
C) 34.28 N, -26.78N
D) 34.28 N, 26.78N I

Answertechnician (a) is correct;

Distance covered = speed x timethe distance traveled going against the stream = distance traveled with the stream.therefore it is the speed and the time that are the variables.as he travels the same distance both ways, speed x time is the same for each way.going upstream his speed is 4 kph; going downstream his speed is 6 kph.therefore we have two simultaneous equations: time upstream x 4 = time downstream x 6time upstream + time downstream = 60 minutestherefore we have the equation: time upstream = 6/10 hour, time downstream therefore = 4/10 hour.distance traveled at 4km/hr in 6/10 hour = 24/10 = 2.4km.check: distance traveled at 6km/hr in 4/10 hour = 24/10 = 2.4km.

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