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September 18, 2014

Homework Help: physics

Posted by andrea on Tuesday, February 22, 2011 at 1:32pm.

Consider two frictionless inclined planes with the same vertical height. Plane 1 makes an angle of 25.0 degree with the horizontal, and plane 2 makes an angle of 55.0 degree with the horizontal. Mass m_1 is placed at the top of plane 1, and mass m_2 is placed at the top of plane 2. Both masses are released at the same time.

At the bottom, which mass is going faster?

A. m_1
B. m_2
C. Neither; they both have the same speed at the bottom.

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