mission kc4: acceleration\nif an object has an acceleration then it must be _____. select all that…

mission kc4: acceleration\nif an object has an acceleration then it must be _____. select all that apply.\na. changing its direction\nb. changing its speed\nc. changing its velocity\nd. none of these

mission kc4: acceleration\nif an object has an acceleration then it must be _____. select all that apply.\na. changing its direction\nb. changing its speed\nc. changing its velocity\nd. none of these

Answer

Brief Explanations:

Acceleration is the rate of change of velocity. Velocity is a vector quantity with both speed and direction. So, if there is acceleration, velocity must change. Changing speed or direction (or both) means changing velocity.

Answer:

c. changing its velocity