Kinetic energy = (mv^2)/2. So (.5)(10^2)/2 = 25 J
Answer:
All objects free fall at the same rate regardless of their mass. Because the 9.8 N/kg gravitational field at Earth's surface causes a 9.8 m/s/s acceleration of any object placed there, we often call this ratio the acceleration of gravity.
Explanation:
Newton's Second Law, if I remember right.
Answer: They create antibodies.
If the machine doesn't decrease the amount of work that you do, it might still improve the quality of the final result of your efforts