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vec A = 2 hat i + 3 hat j + 4 hat k and ...

`vec A = 2 hat i + 3 hat j + 4 hat k` and `vec B = hat i - 2 hat j + 3 hat k` find `vec A` . `vec B`

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CHETANA PUBLICATION-SEMICONDUCTORS-EXERCISE
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  2. Define : Free fall

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  3. vec A = 2 hat i + 3 hat j + 4 hat k and vec B = hat i - 2 hat j + 3 ha...

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  4. Write the dimension value of power & pressure.

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  5. The diameter of a sphere is 2.14 cm, calculate the volume of the spher...

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  6. Show that vectors vec a = 2 hat i + 5 hat j + 6 hat k and vec b = hat ...

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  7. If the motion of an object is described by x = f(t). Write formula for...

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  8. Justify the statement, "Work and energy are the two sides of a coin.''

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  9. Calculate the speed of a satellite in an orbit at a height of 1000 km ...

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  10. State any four methods to reduce friction

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  11. Which materials can be used asthermal insulates and why?

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  12. How a thermometer is calibrated?

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  13. A rubber band originally 30 cm. long is stretched to a length of 32cm ...

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  18. Show that the path of a projectile is a parabola

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  19. Discuss the variation of acceleration due to gravity with altitude.

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