A disk-gap-band parachute has a drag of 1600 lbf when tested at 15 mi/h in air at 20°C and 1 atm. The diameter of the parachute is 43 ft. For air at 20°C and 1 atm, take p≈ 1.20 kg/m³. Take π = (22/7). If the drag on Mars is 65,000 lbf and the velocity is 1300 mi/h in the thin Mars atmosphere and p≈ 0.020 kg/m³, what is the drag coefficient on Mars?

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A disk-gap-band
parachute has a drag of
1600 lbf when tested at
15 mi/h in air at 20°C and
1 atm. The diameter of
the parachute is 43 ft. For
air at 20°C and 1 atm,
take p≈ 1.20 kg/m³. Take
π = (22/7).
If the drag on Mars is 65,000 lbf and
the velocity is 1300 mi/h in the thin
Mars atmosphere and p≈ 0.020 kg/m³,
what is the drag coefficient on Mars?
The drag coefficient is
Transcribed Image Text:Required information A disk-gap-band parachute has a drag of 1600 lbf when tested at 15 mi/h in air at 20°C and 1 atm. The diameter of the parachute is 43 ft. For air at 20°C and 1 atm, take p≈ 1.20 kg/m³. Take π = (22/7). If the drag on Mars is 65,000 lbf and the velocity is 1300 mi/h in the thin Mars atmosphere and p≈ 0.020 kg/m³, what is the drag coefficient on Mars? The drag coefficient is
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