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

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
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



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
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