If the magnitude of vv is 10, and the direction vector is 60°, what is the x component of vv?

1 Answer
Nov 15, 2015

x = 5x=5.

Explanation:

I'll suppose the direction of the vector is 60º above the horizontal. So, we have:
v = 10,
alpha = 60º.
To find the x-component, we simply multiply v times the cosine of alpha. So,
x = v * cos(alpha),
x = 10 * cos(60º),
x = 10 * 1/2,
x = 5.

Hope it Helps! :D .