1.)
Velocity is in m/s, and acceleration is in m/s^2 like you said. Because of this, we can calculate this by dividing the speed by the time it took to get to that speed.
(20 meters/second) / 10 seconds = 2 meters/ second^2
2.)
Same thing with the first one.
(100 meters/second) / 4 seconds = 25 meters / seconds^2
<span>B: To make the box, we need 2 triangular ends,
and 3 rectangular sides. Side the volume = 3240
and the height = 30, the area of each base (end) = 108.
The sides have areas of 30 x 42 = 720, and 30 x 15 = 450,
and there are 2 of those. So total area = 108 + 108 + 720 + 900 = 1836 cm^2
creds to yahoo answer
</span>
You can use 10 blocks by having 1 ten and 6 ones and then divide it into groups of 3 when you do that you are kind of subtracting when you take away 3 away each time. After that you multiply it, so you think of whatever times 3 is 16 which is 15 r1. Then your answer should be 30.
The answer to this questuon is 2
