a 2kg block is placed on a frictionless wedge that is inclined at an angle of 60 degrees from the horizontal. if you release the block, it would slide down the wedge. it turns out that if you push the wedge to the right with acceleration a, the block will actually remain stationary with respect to the wedge. in other words, the block will not have any veritcal acceleration, though it does have the same horizontal acceleration as the wedge.
What acceleration is required for this to occur?
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