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6. The diagram below shows the positions of a cart at equal time intervals. At each inindicated time, sketch a vector above the cart that might represent the velocity of the cart at that time while it is moving along the track and slowing down. (Assume that the cart is moving at $t_1$ and $t_4$.) $t_1$=0s $t_2$=1s $t_3$=2s $t_4$=3s Positive x direction $x_1$ $x_2$ $x_3$ $x_4$ 10 I 7. Show below how you would find the vector representing the change in velocity between the times 2 and 3 seconds in the diagram above. Remember that the change in velocity is the velocity you would have to add to the initial velocity (using the vector addition i.e.-superposition principle) to obtain the final velocity. 8. Based on the direction of this vector, what is the sign of the acceleration?

          6. The diagram below shows the positions of a cart at equal time intervals. At each
inindicated time, sketch a vector above the cart that might represent the velocity of
the cart at that time while it is moving along the track and slowing down.
(Assume that the cart is moving at $t_1$ and $t_4$.)
$t_1$=0s
$t_2$=1s
$t_3$=2s
$t_4$=3s
Positive x direction
$x_1$
$x_2$
$x_3$
$x_4$
10
I
7. Show below how you would find the vector representing the change in velocity
between the times 2 and 3 seconds in the diagram above. Remember that the
change in velocity is the velocity you would have to add to the initial velocity
(using the vector addition i.e.-superposition principle) to obtain the final velocity.
8. Based on the direction of this vector, what is the sign of the acceleration?

6. The diagram below shows the positions of a cart at equal time intervals. At each
inindicated time, sketch a vector above the cart that might represent the velocity of
the cart at that time while it is moving along the track and slowing down.
(Assume that the cart is moving at t1 and t4.)
t1=0s
t2=1s
t3=2s
t4=3s
Positive x direction
x1
x2
x3
x4
10
I
7. Show below how you would find the vector representing the change in velocity
between the times 2 and 3 seconds in the diagram above. Remember that the
change in velocity is the velocity you would have to add to the initial velocity
(using the vector addition i.e.-superposition principle) to obtain the final velocity.
8. Based on the direction of this vector, what is the sign of the acceleration?

Added by Kimberly M.

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