A body weighing 3 kg moves with an initial speed of 6 m / s. To stop it, you need to do some work.
| December 13, 2020 | education
Given:
m = 3 kg
v0 = 6m / s
A -?
Decision:
At the moment of stopping, the speed of the body will become equal to zero, therefore v = 0 m / s.
A = (m * V0 ^ 2) / 2 = (3 * 6 ^ 2) / 2 = 108/2 = 54 J.
Answer. A = 54 J.
One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.
