A hot-air balloon rises vertically at a constant rate of 8 m/s. A second hot-air balloon moves past the first hot-air balloon at
3 m/s downward relative to the first hot-air balloon. What is the velocity of the second hot-air balloon relative to the ground?
1 answer:
The second hot-air balloon is moving 5 m/s
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Step-by-step explanation:
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