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March 2, 2015

March 2, 2015

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

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 7:42pmhorizontal:

2.1*7.9= ...

vertical:

5*7.9=....

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

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