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What do you mean by positive and negativ...

What do you mean by positive and negative acceleration?

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MBD-MODEL PAPER 2-EXERCISE
  1. If common salt is dissolved in water, then the surface tension of salt...

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  2. Define and explain dimensional formula and dimensional equation.

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  3. What do you mean by positive and negative acceleration?

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  4. The horizontal range of a projectile fired at an angle of 15^@ is 50 m...

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  5. A heavier and lighter body have the same momentum. Show that lighter b...

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  6. Explain why:- it is easier to pull a lawn mower than to push it.

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  7. An electron and a proton have equal momentum. Which has more kinetic e...

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  8. Show that for an isolated system, centre of mass moves with a uniform ...

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  9. Mass of a body is 20 kg at the surface of earth. AT what depth does it...

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  10. Why do we prefer steel to manufacture a spring?

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  11. Calculate the external work done when an ideal gas is expanded adiabat...

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  12. How will you justify that first law of thermodynamics is the law of co...

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  13. At what temperature will the speed of sound in air become double of it...

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  14. Derive an expression for the angle of bending of a cyclist on a curved...

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  15. State law of conservation of energy with examples. Explain the transfo...

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  16. Discuss the elastic collision in one dimension and calculate the veloc...

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  17. What is geostationary satellite? Calculate height of geostationary sat...

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  18. Define gravitational potential energy. Find the expression for gravita...

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  19. Define coefficient of velocity of sound and show that it is 0.61 ms^-1...

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  20. A tunnel is dug through the centre of the earth. Show that a body of m...

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