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An object moving on a horizontal , frictionless surface makes a glancing collision with another object initially at rest on the surface. in this case which of the following is true about momentum and kinetic energy?
A. It has a constant acceleration while moving up the plan and a greater acceleration when moving down the plane.
B. It has a constant acceleration while moving up the plan and a smaller acceleration when moving down the plane.
C. It moves with a constant velocity both up and down the plane.
D. It has the same acceleration as it moves up and down the plane.
E. It has a continually varying acceleration as it moves up and down the plane.
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