Velocity of the sled is 3.2 m/s
The work-energy principle states that an increase in the kinetic energy of a rigid body is caused by an equal amount of positive work done on the body by the resultant force acting on that body. Conversely, a decrease in kinetic energy is caused by an equal amount of negative work done by the resultant force.
Answer:
may be upside down alphabet :"T"
Explanation:
Scenes the chair wheels are up the person is rolling backwards and if the wheels were down then the person would go forwards
<span />
