Two identical balls are at rest and side by side at the top of a hill. You let one ball, a, start rolling down the hill. A little later you start the second ball, b, down the hill by giving it a shove. The second ball rolls down the hill along a line parallel to the path of the first ball and passes it. At the instant ball b passes ball a:.

answer; mixture;

answer:

Pink?

Explanation

i guessed that becuz ur pfp sorry if im wrong

only if its kids

Explanation:

The Fitness Gram Pacer Test is a multistage aerobic capacity test that progressively gets more difficult as it continues. The 20 meter pacer test will begin in 30 seconds. Line up at the start. The running speed starts slowly but gets faster each minute after you hear this signal boop. A sing lap should be completed every time you hear this sound. ding Remember to run in a straight line and run as long as possible. The second time you fail to complete a lap before the sound, your test is over. The test will begin on the word start. On your mark. Get ready!… Start.