Physics

Problem

1.0\times10^{3}\,\text{kg}

spacecraft is initially at rest relative to a space station. Two perpendicular thrusters fire simultaneously for

2.0\,\text{s}

, exerting constant forces of

30\,\text{N}

east and

40\,\text{N}

north. Immediately after the thrusters shut off, no external forces act on the craft. What is the magnitude of the spacecraft’s displacement from its starting point after a total of

8.0\,\text{s}

? a)

0.60\,\text{m}

0.70\,\text{m}

0.50\,\text{m}

0.80\,\text{m}

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