To maintain a constant speed, the force provided by a car's engine must equal the drag force
Question:
To maintain a constant speed, the force provided by a car's engine must equal the drag force plus the force of friction of the road (the rolling resistance).
(a) What are the magnitudes of drag forces at 70 km/h and 100 km/h for a Toyota Camry? (Drag area is 0.70 m2)
(b) What is the magnitude of drag force at 70 km/h and 100 km/h for a Hummer H2? (Drag area is 2.44 m2) Assume all values are accurate to three significant digits.
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Step by Step Answer:
The drag force on a car is given by the equation Fd 05 v2 A Cd where Fd is the drag force in Newtons ...View the full answer
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