Answer:
A car starts from rest and uniformly accelerates to a final speed of 20.0 m/s in a time ... How long must a 2.5 m/s2 acceleration act to change the velocity of a 2.0-kg ... g= 1.67m/s². 20. In the absence of air resistance. if an object were to fall freely ... At what point did the duck stop its forward motion? ... decreasing negatre floje.