Aduck has a mass of 2.40 kg. as the duck paddles, a force of 0.150 n acts on it in a direction due east. in addition, the current of the water exerts a force of 0.160 n in a direction of 45.0° south of east. when these forces begin to act, the velocity of the duck is 0.150 m/s in a direction due east. find (a) the magnitude and (b) the direction (relative to due east) of the displacement that the duck undergoes in 2.80 s while the forces are acting. (note that the angle will be negative in the south of east direction.)

Explanation:

Given

mass of duck=2.40 kg

=0.150 N

=0.160 N in a direction south of east

Net force in x- direction

net force in Y direction

Thus displacement in x direction

Displacement in Y direction

here u=0

net displacement

=0.866 m

Direction of displacement

south of east

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