the mass m1 enters from the left with velocity v0 and strikes a heavier mass, m2>m1, where m2 is initially at rest. the collision between the blocks is perfectly elastic. the mass m2 then compresses the spring an amount x. (positive velocities move to the right)

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Panthers and leopards prey on deer in an ecosystem. for unknown reasons, the population of leopards increased drastically. what are the likely effects of this change on the species? 1. more food for panthers and more competition for leopards 2. less food and more competition for panthers 3. fewer deer and more competition for panthers 4. more food for deer and less competition for panthers and leopards 5. more food for leopards and less competition for panthers