Question

instructions. show all work. circle your final answer, unless noted. significant figures and units are required for all word - problems. multiple choice questions are 2.5 points.
use the chart on the right to answer questions #1 to #5.

1. the object is moving back to starting point between which time points?

a. 0 - 1 seconds
b. 1 - 2 seconds
c. 3 - 4 seconds
d. 4 - 5 seconds

1. what is the average velocity of the object between 4 seconds and 8 seconds?

a. 2 m/s
b. - 1 m/s
c. - 2 m/s
d. 4 m/s

1. during which time frame is the object not moving?

a. 0 - 1 seconds
b. 3 - 4 seconds
c. 4 - 5 seconds
d. 6 - 7 seconds

1. is there any acceleration occurring between 0 and 3 seconds?

a. yes
b. no
c. i dont know
d. all of the above

1. what is the instantaneous velocity at 3.5 seconds?

a. 1 m/s
b. 2 m/s
c. 3 m/s
d. 4 m/s
use the chart on the right to answer questions #6 to #10.

1. is there any acceleration occurring between 1 and 3 seconds?

a. yes
b. no
c. i dont know

1. when is the object moving backwards?

a. at 1 second
b. at 3 seconds
c. at 5 seconds
d. at 8 seconds

1. what is the objects speed at 1 second?

a. 2 m/s
b. 3 m/s
c. 0 m/s
d. 5 m/s

Explanation:

Answer:

(1) d. 4 - 5 seconds
(2) a. 2 m/s
(3) b. 3 - 4 seconds
(4) a. Yes
(5) b. 2 m/s
(6) a. Yes
(7) d. at 8 seconds
(8) d. 5 m/s