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Posted by on Friday, September 21, 2012 at 2:52am.

An object moves in the +x direction at a speed of 30 m/s. As it passes through the origin, it starts to experience a constant acceleration of 3.7 m/s2 in the -x direction.


(b) How much time elapses before the object returns to the origin?


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  • Physics - , Sunday, September 23, 2012 at 5:14pm

    this is like a projectile problem turned sideways

    0 = -(.5 * 3.7 * t^2) + (30 * t)

    solve the quadratic for t (you want the non-zero solution)

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