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Physics 19 Online
OpenStudy (anonymous):

An object travels with velocity v = 4.0 meters/second and it makes an angle of 60.0° with the positive direction of the y-axis. Calculate the possible values of vx.

OpenStudy (anonymous):

A. -3.5 meters/second and +3.5 meters/second B. -2.0 meters/second and +2.0 meters/second C. -2.5 meters/second and +2.5 meters/second D. -3.0 meters/second and +3.0 meters/second

OpenStudy (shane_b):

Just use a little trig...just calculate the length of the bottom line of the triangle:|dw:1371772368806:dw|

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