Estimate the terminal sped of a typical car
shayan ganji
Answered question
2022-03-20
Estimate the terminal sped of a typical car having an engine with a constant power in a flat road, by using the concept of drag force.
Answer & Explanation
user_27qwe
Skilled2023-04-24Added 375 answers
To estimate the terminal speed of a car with a constant power engine on a flat road, we can use the concept of drag force.
The drag force on a car is given by the equation:
Where:
- is the drag force in N (Newton)
- is the air density in kg/m^3 (kilograms per cubic meter)
- v is the velocity of the car in m/s (meters per second)
- is the drag coefficient, which depends on the shape of the car and its orientation relative to the airflow
- A is the frontal area of the car in (square meters)
The drag force is opposed by the force of the car's engine, which is given by:
Where:
- is the force of the car's engine in N
- is the power of the engine in W (Watts)
At the terminal speed of the car, the drag force and the force of the engine are equal and opposite. Therefore, we can set and solve for the velocity v:
Simplifying the equation, we get:
Taking the cube root of both sides, we get:
So, the terminal speed of the car can be estimated using this equation, given the air density, the drag coefficient, the frontal area, and the power of the car's engine.
New Questions in Other
22+64
When a cold drink is taken from a refrigerator, its temperature is 5 degree C. After 25 minutes in a 20 degree C room its temperature has increased to 10 degree C. What is the temperature of the drink after 50 minutes?
How many minutes are there in hours?
Find the answer for power .
The following law describes the relationship between gas volume and pressure: ________. A)Boyle's law; B)Henry's law; C)Charles' law; D)Dalton's law
If an electric switch is open then no current flows through the circuit.
A)True;
B)FalseThe price elasticity of supply of a good is 0.8. Its price rises by 50 per cent. Calculate the percentage increase in its supply.
How many quarts are in 10 gallons?
When the net force acting on an object is zero, the total momentum of the system will:
A)remain constant;
B)increase with time;
C)decrease with time;
D)None of theseHow many centimeters are in four meters?
A notebook computer has a mass of 2.25 kilograms. About how many pounds does the notebook weigh?
If the dot product of two non-zero vectors is zero, then the vectors A)are parallel to each other. B)are perpendicular to each other. C)can have any orientation. D)are anti-parallel to each other.
Which is longer 5 miles or 10 kilometers?
9 grams is how many milligrams?
How to write in scientific notation?
