Answer:
If you know the radius of a circular track, you can use physics to calculate how fast an object needs to move in order to stay in contact with the track without falling when it reaches the top of the loop.
The possible answers are
-2,-1,0,1,2,3,4 and 5
Option (b) 1.00
Step-by-step explanation:
3.4×1.00 = 3.4
