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September 20, 2014

September 20, 2014

Posted by **Christian** on Monday, September 20, 2010 at 11:35pm.

If its acceleration is constant and given by ⃗a = −(2 m/s2) (i +j), at what time t does the particle first cross the x axis?

Answer in units of s.

part 2. At what time t is the particle moving parallel to the y axis; that is, in the ˆ direction?

Answer in units of s.

- Physics -
**Christian**, Monday, September 20, 2010 at 11:41pmpart 2. At what time t is the particle moving parallel to the y axis; that is, in the j direction?

Answer in units of s.

im really lost and if anyone could atleast tell me which equation to use it would be greatly appreciated

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