PH-252

Friction and air resistance

Physics · Secondary 3 · Hard · Friction and air resistance

A 40 g steel ball is dropped into a tall cylinder of oil and reaches a constant terminal speed of

2.0\,\text{m/s}

. At terminal speed, what is the magnitude of the fluid resistance acting on the ball? Take

g = 10\,\text{m/s}^2

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