Thursday

December 18, 2014

December 18, 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

**Answer this Question**

**Related Questions**

phy - Given three vectors a⃗ =−i⃗ −4j⃗ +2k⃗...

mitx 8.01x Classical Mechanics - For the following 3 vectors A⃗ =2y^+3z^ ...

Physincs - You are given vectors A⃗ = 4.8 i^− 6.7 j^ and B⃗...

physics - A particle has ⃗r(0) = (4 m)j and ⃗v(0) = (2 m/s)i. If its...

math- calculus - You will often see proj (Vector a onto Vector b) written as ...

Calculus III- Please Help - 2. Use the properties of the dot product to show ...

Vector Calculus - 2. Use the properties of the dot product to show that (⃗...

Calculus and vectors - Explain how the vector C⃗(Going from the head of B...

Calculus and Vectors - Show that proj(b⃗a⃗) =[(a⃗⋅b&#...

Physics - How much work is done by the force F⃗ =(− 3.0 i^− 7...