Adding Non-Perpendicular Vectors

a quantity that has magnitude and direction
what is a vector?
a quantity with only magnitude (no direction)
what is a scalar?
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an amount; a value with appropriate units
what does “magnitude” mean?
using an angle
How do we represent direction of a 2D vector>
delta R total
If a problem asks for “magnitude of the total 2D displacement” what variable do you find?
theta
If a problem asks for “the direction of the total 2D displacement,” what variable do you find?
the x component of a 2D vector represents how far (and which way) the 2D vector extends on the x axis
what does the x component of a 2D vector represent?
the y component of a 2D vector represents how far (and which way) the 2D vector extends on the y axis
what does the y component of a 2D vector represent?
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