For its size, the commonflea is one of the most accomplished jumpers in the animal world.A 2.0-mm-long, 0.50 mg flea can reach a height of 20 cm in a singleleap. If a 65 kg, 2.0-m-tall human could jump to the same height compared with his length as the flea jumps compared with its length, how high could the human jump, and what takeoff speed would the man need?

For its size, the commonflea is one of the most accomplished jumpers in the animal world.A 2.0-mm-long, 0.50 mg flea can reach a height of 20 cm in a singleleap. If a 65 kg, 2.0-m-tall human could jump to the same height compared with his length as the flea jumps compared with its length, how high could the human jump, and what takeoff speed would the man need?

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