# Answer on Mechanics | Relativity Question for Misael

Question #6882

The net force acting to a 2.0-kg discuss while it is being thrown is (αt^2)i + (β+γt)j where α =25.0N/s^2, β = 30.0N and γ = 5.0N/s. If the discuss was originally at rest, what is the velocity after the net force has acted for 0.500 s? Express your answers in terms of the unit vectors i and j.

i- points in the positive x-axis direction

j- points in the positive y-axis direction

i- points in the positive x-axis direction

j- points in the positive y-axis direction

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Misael25.02.2012 08:40Please help me about this...

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