A man, 65 kg, descends to the ground with the help of a parachute, 18 kg. The parachute is hemispherical in shape, 2 m diameter. Density of air can be taken as 0.00125 g/cm3 and its kinematic viscosity as 0.15 stoke. What is the terminal velocity of the parachute?(Take OD – 1.5 and g – 1000 cm/sec2)

A man, 65 kg, descends to the ground with the help of a parachute, 18

1.	A man, 65 kg, descends to the ground with the help of a parachute, 18 kg. The parachute is hemispherical in shape, 2 m diameter. Density of air can be taken as 0.00125 g/cm3 and its kinematic viscosity as 0.15 stoke. What is the terminal velocity of the parachute?(Take OD – 1.5 and g – 1000 cm/sec2)
A.	16.6 m/sec
B.	15.8 m/sec
C.	15.0 m/sec
D.	14.1 m/sec
Answer» B. 15.8 m/sec

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