Answer:
Q4.) It can be either A.) or D.). If the car has less mass, it will be lighter and the lighter the mass, the faster it would go. However, if Hao pushes on the car as he releases it, it would have greater force, briefly, and it would travel farther.
Q5.) B.) would be the best answer here. The girl does not have an incline (ramp) to provide it with more energy, so she would have to give it a push to exert more force for the car to travel a greater distance.
Explanation:
