When a car (or any other object) is moving through the air, there is a force of

Question

When a car (or any other object) is moving through the air, there is a force of the air on the car opposing its motion called drag. The drag force depends on the density of the air rho (mass per unit volume), the frontal cross-sectional area A of the car, and the speed v of the car. In fact, the drag force is given by F_d = 1/2 C_d rho ^a A^b v^c for some powers a, b, and c. The constant C_d is called the drag coefficient of the object and is a dimensionless constant that characterizes how aerodynamic the object is and depends on, e.g., its shape

Explanation / Answer

Power expend by the engine will be P = - f*v

Here f is the drag force. In the question no information is provided about the density of air, cross section of tesla so after knowing these values,

P = - f*65

For part d also figure is not given for comparison.

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