# 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?

• physics -

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

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

• physics -

56.09

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