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Define : Free fall...

Define : Free fall

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Select the appropriate options and complete the following paragraph (Velocity, independent, initial velocity, dependent, gravity, friction, final velocity , direction ) The motion of any object under the influence of the force of ______ alone is called as free fall. During free fall, there will be no change in the ______ of motion of the object. But there will be a change in the magnitude of ______ of the object due to the gravitational pull of the earth . The acceleration that an object experiences during free fall is ____ of the mass of the object undergoing motion. when a body is dropped freely from a height, its ______ is zero. Whereas when a body is thrown vertically upwards, its ________ is zero .

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CHETANA PUBLICATION-SEMICONDUCTORS-EXERCISE
  1. Draw a graph showing the variation of gravitational acceleration due t...

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  2. Define coefficient of restitution

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  3. Define : Free fall

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  4. 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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  5. Write the dimension value of power & pressure.

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

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

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

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

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

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  11. State any four methods to reduce friction

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

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  13. How a thermometer is calibrated?

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

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  15. Why does an astronaut in an orbiting satellite have a feeling of weigh...

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  16. Four uniform solid cubes of edges 10 cm, 20 cm, 30 cm and 40 cm are ke...

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  17. In Ohm's experiments, the values of the unknown resistances were found...

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  18. State any six properties of scalar product.

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

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

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