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A high speed car with a mass of 2000 kg and drag coefficient of 0.3 has a frontal area of 1 m2. The car deploys a 2-m diameter parachute to slow down from initial velocity of 100 m/s. The drag coefficient for parachute may be assumed to be 1.2. Assuming constant drag coefficient, free brakes and no rolling resistance, obtain the correct value of the velocity of the car after 10 seconds after parachute is deployed.

A high speed car with a mass of 2000 kg and drag coefficient of 0.3 has a frontal area of 1 m2. The car deploys a 2-m diameter parachute to slow down from initial velocity of 100 m/s. The drag coefficient for parachute may be assumed to be 1.2. Assuming constant drag coefficient, free brakes and no rolling resistance, obtain the correct value of the velocity of the car after 10 seconds after parachute is deployed.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A high speed car with a mass of 2000 kg and drag coefficient of 0.3 has a frontal area of 1 m2. The car deploys a 2-m diameter parachute to slow down from initial velocity of 100 m/s. The drag coefficient for parachute may be assumed to be 1.2. Assuming constant drag coefficient, free brakes and no rolling resistance, obtain the correct value of the velocity of the car after 10 seconds after parachute is deployed. 45 m/s 4.5 m/s 0.45 m/s 450 m/s
Transcribed Image Text:A high speed car with a mass of 2000 kg and drag coefficient of 0.3 has a frontal area of 1 m2. The car deploys a 2-m diameter parachute to slow down from initial velocity of 100 m/s. The drag coefficient for parachute may be assumed to be 1.2. Assuming constant drag coefficient, free brakes and no rolling resistance, obtain the correct value of the velocity of the car after 10 seconds after parachute is deployed. 45 m/s 4.5 m/s 0.45 m/s 450 m/s
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