A space vehicle is coasting at a constant velocity of 20.5 m/s in the +y directi

Question

A space vehicle is coasting at a constant velocity of 20.5 m/s in the +y direction relative to a space station. The pilot of the vehicle fires a RCS (reaction control system) thruster, which causes it to accelerate at 0.334 m/s2 in the +x direction. After 30.5 s, the pilot shuts off the RCS thruster. After the RCS thruster is turned off, find (a) the magnitude and (b) the direction of the vehicle's velocity relative to the space station. Express the direction as an angle (in degrees) measured from the +y direction

Explanation / Answer

Vfy = 20.5 Vfx = 0.334*30.5= 10.187 magnitude = 22.89 direction = 26.42 degrees with + y axis in anti clock wise direction

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