Let's consider an exotic sports car (the Brinkley Ace) with a high powered engine and an aerodynamic design. We will assume the car has a cross-sectional area of 2.3 m² and has a drag coefficient of 0.26. The car is equipped with an engine and electric motor that are able to put out a combined 400 kW through a continuously variable transmission. It has a mass of 1260 kg, and the density of air is 1.21 kg/m³ (a) Give a properly labeled diagram for each of the situations below. (b) Calculate the top speed of this vehicle assuming there is no rolling friction. (c) When we run this car on a flat surface, we find the actual top speed to be 95 m/s, given this information, what is the value of rolling friction (what forces other than air drag oppose the motion of the car, give a value in Newtons) (d) Given the rolling friction from part (c), and assuming sufficient traction, what would this vehicles maximum acceleration be at highway speeds ( 30 m/s)
Let's consider an exotic sports car (the Brinkley Ace) with a high powered engine and an aerodynamic design. We will assume the car has a cross-sectional area of 2.3 m² and has a drag coefficient of 0.26. The car is equipped with an engine and electric motor that are able to put out a combined 400 kW through a continuously variable transmission. It has a mass of 1260 kg, and the density of air is 1.21 kg/m³ (a) Give a properly labeled diagram for each of the situations below. (b) Calculate the top speed of this vehicle assuming there is no rolling friction. (c) When we run this car on a flat surface, we find the actual top speed to be 95 m/s, given this information, what is the value of rolling friction (what forces other than air drag oppose the motion of the car, give a value in Newtons) (d) Given the rolling friction from part (c), and assuming sufficient traction, what would this vehicles maximum acceleration be at highway speeds ( 30 m/s)
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
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Let’s consider an exotic sports car (the Brinkley Ace) with a high powered engine and an aerodynamic design. We will assume the car has a cross-sectional area of 2.3 m2 and has a drag coefficient of 0.26. The car is equipped with an engine and electric motor that are able to put out a combined 400 kW through a continuously variable transmission. It has a mass of 1260 kg, and the density of air is 1.21 kg/m3 (a) Give a properly labeled diagram for each of the situations below. (b) Calculate the top speed of this vehicle assuming there is no rolling friction. (c) When we run this car on a flat surface, we find the actual top speed to be 95 m/s, given this information, what is the value of rolling friction (what forces other than air drag oppose the motion of the car, give a value in Newtons) (d) Given the rolling friction from part (c), and assuming sufficient traction, what would this vehicles maximum acceleration be at highway speeds ( 30 m/s)
Transcribed Image Text:Let's consider an exotic sports car (the Brinkley Ace) with a high powered engine and an aerodynamic
design. We will assume the car has a cross-sectional area of 2.3 m² and has a drag coefficient of 0.26.
The car is equipped with an engine and electric motor that are able to put out a combined 400 kW
through a continuously variable transmission. It has a mass of 1260 kg, and the density of air is 1.21
kg/m³
(a) Give a properly labeled diagram for each of the situations below.
(b) Calculate the top speed of this vehicle assuming there is no rolling friction.
(c) When we run this car on a flat surface, we find the actual top speed to be 95 m/s, given this
information, what is the value of rolling friction (what forces other than air drag oppose the
motion of the car, give a value in Newtons)
(d) Given the rolling friction from part (c), and assuming sufficient traction, what would this vehicles
maximum acceleration be at highway speeds ( 30 m/s)
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