pl tell the names, types of velocity time graph and explain it
Answers
Answer:
Uniform Velocity , Increasing Velocity and Decreasing Velocity
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Hello:)
Case 1: Velocity-time graphs with constant velocity (zero acceleration)
When the velocity is constant, the velocity time graph, with Y-axis denoting velocity and X-axis denoting time, will be like the first graph.
As clear from the graph, the velocity is constant (c) throughout the time interval. No particles of matter how much the time changes, the velocity will be c at every instant. In this case, we have taken the initial velocity to be positive. The graph will be different if the initial velocity is negative.
Example: If the acceleration of a particle is zero (0), and velocity is constantly say 5 m/s at t =0, then it will remain constant throughout the time.
Case 2: Velocity-time graphs with constant acceleration
When the acceleration is constant (positive), and the initial velocity of the particle is zero, the velocity of the particle will increase linearly as predicted by the equation:
v = u + at
Since u = 0
v = at
As shown in the figure, the velocity of the particle will increase linearly with respect to time. The slope of the graph will give the magnitude of acceleration.
Example: If the acceleration of a particle is constant (k) and is positive, the initial velocity is zero, and then the velocity increases linearly. The slope of the velocity-time graph will give the acceleration.
Case 3: Velocity-time graph with positive acceleration
Since the graph is a velocity-time graph, the velocity would be positive whenever the line lies in the positive region (above the x-axis) of the graph.A positive velocity means the object is moving in the positive direction. An object is moving in the positive direction if the line is located in the positive region of the graph (whether it is sloping up or sloping down)
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