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physics

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A particle at rest undergoes an acceleration
of 2.1 m/s2 to the right and 5 m/s2 up.
a) What is its speed after 7.9 s?
Answer in units of m/s.

  • physics - ,

    horizontal:
    2.1*7.9= ...
    vertical:
    5*7.9=....

    speed= sqrt(horizontal^2+ vertical^2)

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