Use the graph of velocity vs. time for an object to answer the question.

Question

A velocity versus time line graph. The vertical axis is labeled, velocity (m per s) and ranges from 0 to 30 increments of 5. The horizontal axis is labeled, time (s) and ranges from 0 to 240 in increments of 30. The graph shows a line that slopes upward from origin to (60, 10). The line then moves to (150, 15) and finally rises to (240, 30). The values used in the description are approximate.

Which statement fairly compares segment 2 and segment 3?

a These represent equal periods of time, but the force during segment 2 is different than the force during segment 3.
b These represent equal periods of time, and the force acting on the object is the same during each period of time.
c These represent different periods of time, but the force acting on the object is the same during each period of time.
d These represent different periods of time, and the force during segment 2 is different than the force during segment 3.

Answer 1

i do not know the answer to this but maybe mathelper will come along and maybe he/she/they/them can help you

Answer 2

or @oobleck

Answer 3

clearly (a) or (b), since 240-150 = 150-60
the slope of the line is the acceleration (velocity/time)
Since F = ma, and m does not change, compare the slopes to see whether the force is the same or not.

Answer 4

@oobleck if i use @ will you get notified or something?