I think it might be a or d i hope i have helped :)

Let's solve ~
Given terms :
The formula to find kinetic Energy is ~

Now, apply the formula according to given situation




Therefore, the kinetic Energy of the car is 56 joules
True.
A contact force is a force between two objects that are physically in contact with each other: an example of a contact force is the normal reaction of a table supporting a book.
A non-contact force is a force between two objects that are not physically in contact with each other: an example of non-contact force is the gravitational attraction between the Earth and the Moon.
You can try recalling and rehearsing information about the memory.