Yes there is an elastic collision in physics its when a collision occurs but no kinetic energy is loss. We study them in order to understand how to conserve momentum.
Answer: See below
Explanation:
<u>Given:</u>
Mass of the Mercedes-Benz (m) = 1700 kg
Inclination of the road (θ) = 15.0
<em>The free body diagram is shown in figure attached below</em>
<em />
a) The normal force is equal to the cos component of the weight of the car.

b) The static force will be equal to the weight's sin component.

the answer for the question is D. all of the above