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What does the slope of a work-time graph...

What does the slope of a work-time graph represent?

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Instantaneous power. `[P = (dv)/(dt)=` rate of doing work]
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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 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. The correct relation between v_(0),a_(1),a_(2) and t_(0) 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 with change and thus velocity-time graph will be a non-linear curve. Further the area of velocity-time graph gives displacement. The average velocity of the car for the entire trip 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

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. For the above situation let t_(1) be the time of accelerated motion and t_(2) be the time or retarded motion, then the correct relation 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 with change and thus velocity-time graph will be a non-linear curve. Further the area of velocity-time graph gives displacement. A car starts from rest with a constant acceleration a_(1) for some time and attains a velocity v_(0) . Then it immediately retards at a constant rate a_(2) to rest. The total time to journey is t_(0) Identify the correct velocity-time graph

(a) The graph given below represents the organisms response to temperature as an environmental condition. (i) Which one of the two lines represents conformers and why ? (ii) What does the other line in the graph represent and why ? (b) Mention the different adaptations the parasites have evolved with, to be able to successfully complete their life cycles in their hosts.

VMC MODULES ENGLISH-ENERGY & MOMENTUM-LEVEL - 0 -SHORT ANSWER TYPE
  1. Total energy of a body at rest at a height h from a point of reference...

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  2. Two machines are capable of doing the same work. Should they have the ...

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  3. What does the slope of a work-time graph represent?

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  4. Can a body have momentum without energy?

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  5. List the differences between energy and power.

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  6. Law of Conservation of Energy

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  7. If a compressed spring is dissolved in acid, what happens to the elast...

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  8. Can a single isolated particle possess potential energy? Justify.

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  9. Can you associate potential energy with a non conservative force ?

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  10. An object of mass m, initially at rest under the action of a constant ...

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  11. A spring balance reads forces in Newton. The scale is 20 cm long and r...

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  12. If KE of a body increases by 300%, by what % will the linear momentum ...

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  13. A rocket explodes in mid air. What happens to its total momentum and t...

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  14. The potential energy ‘V’ of a particle moving along the positive x-dir...

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  15. A rain drop of radius 2mm, falls from a height of 500 m above the grou...

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  16. A pump on the ground floor of a building can pump up water to fill a t...

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  17. Springs Aand B are identical except that A is stiffer than B. In which...

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  18. Two springs A and B are identical except that A is stiffer than B i.e....

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  19. Anwer carefully, with reasons: a) In an elastic collision of two bil...

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  20. Ram used to live in a remote village of Rajasthan which didn’t have el...

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