C Bill drove at a rate that was 10 mph faster than the rate Kevin drove
18 because they need to be identical and you only have 18 chocolate bars
a) Is the twitch - initial positive twitch or sudden movement, which is what
makes the car jolt into action.
b) is the acceleration - graph shows the acceleration and
deceleration of the car.
c) is the velocity - starts at 0 and increases until the car
travels at its right speed.
d) is the position - assuming that the car is going on only
one direction. This graph is the only one that does not go back to the x-axis.
Recall the double angle identity:
With 
measuring between 0º and 90º, we know 
. So from the Pythagorean identity, we get
Then
2x
so...
2x (4t - 2 - 9)
2x (4t - 11)
Hope this helped!
~Just a girl in love with Shawn Mendes
