Homework Help: physics

Posted by naomi on Tuesday, November 3, 2009 at 7:20pm.

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 - bobpursley, Tuesday, November 3, 2009 at 7:42pm
horizontal:
2.1*7.9= ...
vertical:
5*7.9=....

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

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