Author Question: A ball is thrown straight up into the air. Its position at 7 instants of time are shown below; the ... (Read 45 times)

itsmyluck · **on:** Jul 28, 2018

A ball is thrown straight up into the air. Its position at 7 instants of time are shown below; the maximum height is reached at position 4. At which of the labeled points is the speed of the ball largest?

1.point 1
2.point 2
3.point 3
4.point 4
5.point 5
6.point 6
7.point 7
8.exactly 2 of the points shown
9.more than 2 of the points shown
10.impossible to determine

Question 2

A ball is thrown straight up into the air. Its position at 7 instants of time are shown in the figure; the maximum height is reached at position 4. At which of the labeled points is the acceleration of the ball smallest?

1.point 1
2.point 2
3.point 3
4.point 4
5.point 5
6.point 6
7.point 7
8.exactly 2 of the points shown
9.more than 2 of the points shown
10.impossible to determine