No.The displacement-time graph of a moving body can not be a straight line
perpendicular to the time axis. A graph like that would indicate that the body
moved with infinite speed, moved from one place to another in zero time, or
occupied many different places at the same time. Considerable evidence has
piled up which suggests that none of those things can happen.
A straight line with a positive slope on a position-time graph is the graph of an object that's moving in a straight line with constant speed.
A straight slanted slope on a velocity-time graph indicates that the object is moving with a constant acceleration.
It means that the object in question is moving at a constant speed.If the graph is a straight horizontal line, then the speed is zero.
If a body is moving with variable speed, then the only thing you can say aboutits speed/time graph is that the graph is not a straight, horizontal line.
Straight line
Straight line
The straight horizontal line on the graph says: "Whatever time you look at, the speed is always the same". This is the graph of an object moving with constant speed.
The object is moving at a constant speed.
That depends on what you have chosen for the axes. If one of the axes is enthalpy, then an adiabatic line would be a straight line perpendicular to that axis.
It is neither because it is just a straight line on the graph. There is only one line on the graph. So, it will not be perpendicular... well because there is only one line so it can not cross with any other line. It's not parrel because there is only one line.
yes
Any graph with the slope of -1/2