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A lemming accelerates uniformly starting from rest 2m before jumping horizontally from the top of a 20m high cliff. what is the minimum acceleration required

A lemming accelerates uniformly starting from rest 2m before jumping horizontally from the top of a 20m high cliff. what is the minimum acceleration required so that the lemming can clear the rocks stretching out 4m from the base of the cliff?e Start 2mRecks 4m

Figure 4 start 2m 20m -jump Rocks mmmm 4m Water

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