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Physics, 25.01.2021 19:40 mystury

A student is pushing a box of mass M on a frictionless surface. Another box of mass M is then placed on the first box. Which of the following describes the acceleration of the boxes?
Select one:
A. The velocity is constant.
question
B. The boxes slow down.
C. The acceleration remains the same.
D. The acceleration doubles.
E. The acceleration is halved.

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