Question

any expert!?
can't say expert either but please tell the meaning of that line

for anyone who is in higher grade than me will be able to answer so bhaiya/sis help..​

Answer 1

Explanation:

ok...just understand the line.

In a graph there r 2 axes,x nd y axes...ok..now the time axis here refers to the Y-axis.

any straight line that is drawn through the y-axis which makes an angle of 90 degrees or greater than 90 degrees with the y-axis.

then the graph will have negative velocity