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What happens when a metal spring dissolv...

What happens when a metal spring dissolves in an acid?

A

Increases

B

Decreases

C

Remains same

D

none

Text Solution

Verified by Experts

The correct Answer is:
A
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AAKASH SERIES-WORK, POWER & ENERGY -EXERCISE - I
  1. The kinetic energy of freely falling body

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  2. A body can have

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  3. What happens when a metal spring dissolves in an acid?

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  4. Same force acts on two bodies of masses m, and m(2)(m(2) gt m(1)) Afte...

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  5. A constant force acts on a body which is intially at rest. If a graph ...

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  6. A heavy stone is thrown from a cliff of height h with a speed v. The s...

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  7. A) Work done by frictional force is always negative B) A body at res...

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  8. The work done by all the forces (external and internal) on a system eq...

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  9. . (A): Mountain roads rarely go straight up the slope. (R): Slope o...

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  10. body is allowed to fall from a height h above the ground. Then match t...

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  11. . A curve is drawn expressing the kinetic energy of a particle as a fu...

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  12. . A body is moving unidirectionally under the influence of a source of...

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  13. Which of the diagrams shown below most closely shows the variation in ...

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  14. . A raindrop falling from a height .h. above ground, attains a near te...

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  15. Two inclined frictionless tracks, one gradual and the other steep meet...

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  16. A heavy stone is thrown from a cliff of height h in a given direction....

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  17. 40. Which of the diagrams correctly shows the change in kinetic energy...

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  18. A particle is acted upon by a force of constant magnitude which is alw...

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  19. Two spheres A and B collide. If the momentum of A is doubled in the co...

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  20. Internal forces can change

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