To find the fraction of total kinetic energy due to the rotation of the wheels, we need to calculate the total kinetic energy of the car and then determine the portion contributed by the rotation of the wheels.
The total kinetic energy of the car consists of two parts: translational kinetic energy and rotational kinetic energy.
The translational kinetic energy of the car can be calculated using the equation:
KE_trans = (1/2) * m * v^2,
where m is the mass of the car, and v is the velocity of the car.
In this case, the mass of the car (m) is given as 1050 kg. However, the velocity of the car (v) is not provided in the question. Therefore, without the velocity, we cannot determine the value of translational kinetic energy.
Moving on to the rotational kinetic energy, we need to determine the rotational inertia of the wheels about their axles. The rotational inertia of a circular object like a wheel depends on its mass and radius. However, in this case, the radius of the wheels is not given.
Without the value of the radius of the wheels, we cannot calculate the rotational kinetic energy. Therefore, we cannot determine the fraction of total kinetic energy due to the rotation of the wheels.
To solve this problem, we would need either the velocity of the car or the radius of the wheels.