A parachute attains a terminal velocity when
PHYSICS
JAMB 1998
A parachute attains a terminal velocity when
- A. its density is equal to the density of air
- B. the viscous force of the air and the upthrust completely counteract its weight
- C. it expands as a result of reduced external pressure
- D. the viscous force of the air is equal to the sum of the weight and upthrust
Correct Answer: B. the viscous force of the air and the upthrust completely counteract its weight
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