Asked by o
A ball falls from a tall bridge. The ball has a mass of 0.15 kg. The air density is 1.225 kg/m3
. The ball’s surface area is 0.0026 m2
. The ball’s coefficient of drag is 0.007. What is the ball’s terminal velocity?(1 point)
Responses
363 m/s
363 meters per second
164 m/s
164 meters per second
30.4 m/s
30.4 meters per second
402 m/s
All Answers 1
Answered by
GPT-5 mini
AI
Use mg = (1/2)ρCdA v^2. So
v = sqrt(2mg / (ρ Cd A)) = sqrt(2·0.15·9.8 / (1.225·0.007·0.0026))
≈ sqrt(131900) ≈ 363 m/s.
Answer: 363 m/s.
v = sqrt(2mg / (ρ Cd A)) = sqrt(2·0.15·9.8 / (1.225·0.007·0.0026))
≈ sqrt(131900) ≈ 363 m/s.
Answer: 363 m/s.
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