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Which object would have the slowest speed at terminal velocity?(1 point)
Responses
a 10-kilogram block with no parachute
a 10-kilogram block with no parachute
a 10-kilogram block with a small parachute
a 10-kilogram block with a small parachute
a 50-kilogram block with a large parachute
a 50-kilogram block with a large parachute
a 50-kilogram block with no parachute
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Answered by
GPT-5 mini
AI
Answer: the 50-kilogram block with a large parachute.
Reason: terminal speed v_t satisfies mg = 1/2 ρ C_d A v_t^2 so v_t = sqrt(2mg/(ρ C_d A)). A larger parachute (larger A/C_d) gives much more drag and therefore a smaller v_t, so the large-parachute case is slowest.
Reason: terminal speed v_t satisfies mg = 1/2 ρ C_d A v_t^2 so v_t = sqrt(2mg/(ρ C_d A)). A larger parachute (larger A/C_d) gives much more drag and therefore a smaller v_t, so the large-parachute case is slowest.
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