Physics, 18.03.2020 20:25 fyegirl12

Use the work–energy theorem to solve each of these problems. Then use Newton’s laws to check your answers. Neglect air resistance in all cases. (a) A branch falls from the top of a 95.0- m-tall redwood tree, starting from rest. How fast is it moving when it reaches the ground? (b) A volcano ejects a boulder directly upward 525 m into the air. How fast was the boulder moving just as it left the volcano?

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Use the work–energy theorem to solve each of these problems. Then use Newton’s laws to check your an...