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Describe the motion of a bus whose accelaration is zero but the speed is not zero?
Wiki User
∙ 14y ago
It is slowing down. The bus is not picking up speed--accelerating--and its speed isn't zero, as it is not completely stopped. ------------------------------------------------------------------------------------------------------------ The above answer is incorrect as slowing down indicates a negative acceleration not a zero one. The correct answer is that the bus is at a constant speed - any constant speed.
Wiki User
∙ 14y ago
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What can you say about objects whose speed versus time curves are close to the theoretical speed verus time line?
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The horizontal line represents that the acceleration is zero or constant speed and the line that slopes downward means that the object is slowing down and it is a negative acceleration.
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Speed is a scalar quantity while velocity is a vector quantity.It is possible that an object can have constant speed but if speed is constant while direction of motion is changing constantly then it means that body has variable velocity.An example of this phenomena is a body moving in a circle whose speed is constant but velocity is changing every instant due to change in direction at every instant.
What can you say about objects whose speed versus time curves are close to the theoretical speed verus time line?
They are the objects whose measured speed as a function of time agrees well with theory.
What does horizontal line on a displacement-time graph represent?
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