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How can you determine the displacement a...

How can you determine the displacement and the acceleration of an object from its velocity-time graph?

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An accelerated charge gives out radiation. Here there is no radiation.
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Draw displacement time and acceleration -time graph for the given velocity-time graph

Asserion : The acceleration of an object at a particular time is the slope of the velocity-time graph at that instant of time. Reason : For uniform motion acceleration is zero.

Which graph corresponds to an object moving with a constant negative acceleration and a positive velocity ?

Which graph corresponds to an object moving with a constant negative acceleration and a positive velocity ?

Can an object accelerate If its velocity is constant?

Graphs are very useful to represent a physical situation. Various quantities can be easily represented on graphs and other quantites can be determined from the graph. For example the slope of velocity-time graph represents instantaneous acceleration. For a motion with constant acceleration slope of velocity-time graph is constant. If acceleration is changing with time, slope with change and thus velocity-time graph will be a non-linear curve. Further the area of velocity-time graph gives displacement. The velocity-time graph for two objects P and Q are shown. The ratio of their respective acceleration is

Graphs are very useful to represent a physical situation. Various quantities can be easily represented on graphs and other quantites can be determined from the graph. For example the slope of velocity-time graph represents instantaneous acceleration. For a motion with constant acceleration slope of velocity-time graph is constant. If acceleration is changing with time, slope will change and thus velocity-time graph will be a non-linear curve. Further the area of velocity-time graph gives displacement. For the given velocity-time graph the possibly correct acceleration-time relationship is

Graphs are very useful to represent a physical situation. Various quantities can be easily represented on graphs and other quantites can be determined from the graph. For example the slope of velocity-time graph represents instantaneous acceleration. For a motion with constant acceleration slope of velocity-time graph is constant. If acceleration is changing with time, slope will change and thus velocity-time graph will be a non-linear curve. Further the area of velocity-time graph gives displacement. For the given velocity-time graph the displacement of the object between t = 2 s to t = 4 s is

The displacement-time graph of a moving object is shown in figure. Which of the velocity-time graphs shown in figure could represent the motion of the same body ?

A particle starting from rest moves along a straight line with constant acceleration for this velocity displacement graph will have the form-

AAKASH SERIES-CURRENT ELECTRICITY-EXERCISE (VERY ANSWER QUESTIONS)
  1. An uncharged conductor A is brought near a positively charged conducto...

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  2. What do you mean by thermal motion of free electrons in conductors ?

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  3. How can you determine the displacement and the acceleration of an obje...

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  4. The direction of the flow of current through electric circuit is

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  5. What is a fuse ? Name the material of fuse. State one characteristic o...

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  6. A given conductor has got different areas of cross section. From the f...

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  7. A beam of electrons projected along + x-axis , experiences a force due...

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  8. When no external electric field is applied (that is when no current is...

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  9. Define the term 'drift velocity of electrons in a current carrying con...

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  10. Find AD, if : (i)

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  11. What is a non-ohmic resistor ?

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  12. A battery of emf 2V and internal resistance 0.5(Omega)is connected acr...

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  13. The constant k in Coulomb's law depends on

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  14. A mete bridge is used to determine the resistance of an unknown wire ...

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  15. The resistance in the gap of a metre bridge is 10Omega and the b...

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  16. Define drift velocity of charge carriers in a conductor. Mention the u...

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  17. Define mobility of charge carriers in a conductor. Mention the units o...

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  18. A given conductor has got different areas of cross section. From the f...

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  19. State and explain Ohm.s law and hence defined one ohm.

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  20. Differentiate between ohmic and non -ohmic devices .

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