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.

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter5: Analysis Of Convection Heat Transfer
Section: Chapter Questions
Problem 5.49P
icon
Related questions
Question
A
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
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 5 images

Blurred answer
Knowledge Booster
Convection
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Principles of Heat Transfer (Activate Learning wi…
Principles of Heat Transfer (Activate Learning wi…
Mechanical Engineering
ISBN:
9781305387102
Author:
Kreith, Frank; Manglik, Raj M.
Publisher:
Cengage Learning