The correct answer for velocity if acceleration is opposite is:
* An initial velocity that is faster than a final velocity
The given parameters are acceleration and initial velocity, it is asked to find the final speed of the body
In kinematics, position, velocity, and acceleration are quantities that are related.
The magnitude and direction of the acceleration are given by the resultant force on the body, in many cases the resultant force is constant in various time intervals, therefore the is acceleration is constant in these intervals even though it may have a different value in each one.
The velocity of the body is defined by the change in position of the body in the unit of time, in the most common case of a system with constant acceleration the velocity is given by
= v₀ + a t
where v₀ and are the initial and final velocities of the body, a is the acceleration and t is a time scalar: the bold letters indicate vectors.
If the velocity has a direction and the acceleration is contrary to the equation, we can see that the final velocity must decrease as time advances. Therefore the correct statement is: O An initial velocity that is faster than a final velocity.
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