Homework Help: physics

Posted by s on Saturday, October 8, 2011 at 4:17pm.

Vector (V1) is 6.3 units long and points along the negative (X) axis. Vector(V2) is 9.0 units long and points at 55 degree to the positive (X)axis.

1- What are the (X) and (Y) components of (V1) vector ?

2-What are the (X) and (Y) components of(V2) vector ?

3-Determine the magnitude of the sum (V1+V2).

4-Determine the angle of the sum (V1+V2).

i really need a help

physics - Steve, Saturday, October 8, 2011 at 8:02pm
x = |v| cos theta
y = |v| sin theta.

Everything else is laid out for you. Just plug and chug.

To get started,

|v1| = 6
|v2| = 9

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