Answer: Mass of the object is 75 kg.
A good scientific question has certain characteristics. It should have some answers (real answers), should be testable (can be tested by someone through an experiment or measurements), leads to a hypothesis that is falsifiable (means it should generate a hypothesis that can be shown to fail), etc.
I'd say B.) Increasing the voltage of the battery.
Answer:
motion energy
Explanation:
motion wnergy is the sum of potential and kinetic energy
= 26.3 * 
= 2.63 *
N