Asked by anonymous
The position time-graph for the motion of a certain particle is a smooth curve, like a parabola.At a given instant of time the tangent line to t he position-time graph has a negative slope. is the instantaneous velocity of the particle at this time positive, negative, or zero?Explain
positive
positive
Answers
Answered by
anonymous
1) can the position-time graph for the motion of an object be a horizontal line?explain
-yes
2) can the positon-time graph bea vertical line, explain
-no
-yes
2) can the positon-time graph bea vertical line, explain
-no
Answered by
Damon
velocity = change in position/change in time = slope of position time graph.
If the slope is negative, the velocity is negative
why not? constant y, going right or left
why not? constant x, going up or down
If the slope is negative, the velocity is negative
why not? constant y, going right or left
why not? constant x, going up or down
Answered by
anonymous
1) can the position-time graph for the motion of an object be a horizontal line?explain
- so its yes?
2) can the positon-time graph bea vertical line, explain
-so its yes
- so its yes?
2) can the positon-time graph bea vertical line, explain
-so its yes
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