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Answered 2011-01-22 16:46:30
This depends on what the graph represents. If it is a graph of velocity on the vertical and time on the horizontal, then if acceleration is at a constant rate, the graph will be a straight line with positive slope (pointing 'up'). If acceleration stops, then the graph will be a horizontal line (zero acceleration or deceleration). If it is deceleration (negative acceleration), then the graph will have negative slope (pointing down).
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What part of the graph represents uniform positive and negative acceleration Calculate this acceleration.?
The answer depends on whether the graph is that of speed v time or distance v time.
What type of acceleration does a trapezium on a velocity time graph represents?
A period of constant positive acceleration;a second period of zero acceleration; a third period of constant negative acceleration.
Is a negative slope on the velocity vs time graph indicates that the objects is not moving?
A negative slope, called 'a negative gradient' by the intelligent, on a Velocity-Time Graph shows the deceleration of the object. This negative gradient is the positive deceleration and the negative acceleration.
What type of motion is occurring when the slope of a velocity vs time graph is changing?
A motion described as a changing, positive velocity results in a sloped line when plotted as a velocity-time graph. If the acceleration is zero, then the slope is zero (i.e., a horizontal line). If the acceleration is positive, then the slope is positive (i.e., an upward sloping line). If the acceleration is negative, then the slope is negative (i.e., a downward sloping line).
How does a graph showing speed differ from a graph showing acceleration?
Speed can be shown on a graph of position versus time, and acceleration can be shown on a graph of speed versus time.
Can acceleration ever be negative?
Acceleration is negative when the object is moving in the opposite direction. on a graph the line would be in the negative quadrant.
What happens to acceleration when speed decreases on a speed time graph?
Acceleration is negative.
When the slope of v t graph is negative and constant what is the nature of acceleration?
acceleration is the slope of the v t graph... so the acceleration is constant and negative. In other words, the object is slowing down at a constant rate.
What does the position vs time graph look like if acceleration is constant and negative?
If acceleration is negative the graph looks like a upside U and decreases in value as time continues If acceleration is constant the graph is a straight line (linear) at 0 or whatever the velocity is
How is declaration represented on a velocity time graph?
Deceleration (negative acceleration) is represented by a negative slope on a velocity-time graph.
What does a negative slope on a speed vs time graph represent?
A negative slope represents deceleration, or negative acceleration.
What is the correlation on a graph?
a correlation on a graph is when the line of best fit is positive, negative or none.
If the acceleration is increasing with time will the velocity graph be a straight line concave up or concave down?
Concave up. "Acceleration is increasing with time" tells us that the derivative of acceleration is positive. Since acceleration is the derivative of velocity, this means that the second derivative of velocity is positive. By definition, having a non-negative second derivative means that velocity is concave up.
What would the graph look like on a position verse time plot with constant acceleration?
If the constant acceleration is positive, the graph would be an exponential (x2) graph. If there is constant acceleration, then velocity is always increasing, making the position change at an ever increasing rate.
What is a 4 quadrant graph used for?
to graph not only positive numbers, but negative ones as well
What is the graph for positive acceleration?
If the x-axis is time and the y-axis is location, the graph will be concave upwards because with positive acceleration, the second derivative of the graph is positive. Another way to put it is that for x-axis as time and the y-axis as location, as you move in the positive x direction, the rate at which y goes up will increase - with the slope becoming more and more vertical.
What line of acceleration indicates an increase in speed?
On a velocity-time graph, increasing speed (acceleration) is represented by a line with a positive slope.
Is a negative slop on velocity vs time graph that the object is not moving?
If the speed/time graph slops negatively, that's an indication that the speed is decreasing, i.e. the object is slowing down. The negative slop is also called negative acceleration, since acceleration is the rate of change of velocity.
What shows a correlation which may be positive or negative between two sets of data?
I believe you are asking how to identify a positive or negative correlation between two variables, for which you have data. I'll call these variables x and y. Of course, you can always calculate the correlation coefficient, but you can see the correlation from a graph. An x-y graph that shows a positive trend (slope positive) indicates a positive correlation. An x-y graph that shows a negative trend (slope negative) indicates a negative correlation.
What are two properties of a direct variation graph?
Positive or Negative........I think...
What is the difference between object moves wint uniform acceleration and object moves with no acceleration?
An object moving with uniform acceleration has a uniform change in velocity over time, and its velocity-time graph will be a straight line with either a positive or negative slope. An object moving with no acceleration has constant velocity, and its velocity-time graph will be a straight, horizontal line with zero slope. Refer to the related link for illustrations.
The graph of velocity versus time for an object with a constant negative acceleration would be?
The line would decrease as the time increased and it would stop once it touched the X axis because you cannot have a negative velocity. This graph would represent an inverse relationship between velocity and negative acceleration/
What are the x and y for each quadrant on a graph?
Quadrant I: x positive, y positive. Quadrant II: x negative, y positive. Quadrant III: x negative, y negative. Quadrant II: x positive, y negative.
Which physical quantity does the slope of velocity time graph show?
The Physical quantity that the slope of velocity time graph show is:negative acceleration otherwise retardation.If the velocity of the body is decreasing then the body is said to have negative acceleration (-ve) or retardation.u>v
True or false a negative slope on the velocity vs. time graph indicates that the object is not accelerating?
False. It has negative acceleration.
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