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Define free fall...

Define free fall

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  • Unit Test 1

    CHETANA PUBLICATION|Exercise EXERCISE|18 Videos
  • Unit Test 3

    CHETANA PUBLICATION|Exercise EXERCISE|20 Videos

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Write kinematic equations used in free fall?

What is the initial velocity and what is the effect of gravitational acceleration on the object in free fall ?

Which of the following is CORRECT graph for variation of distance with time in free fall motion?

Which force acts on the stone in free fall after you release it?

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 .

Define:- Free path.

Define the following free path

Define the following mean free path

An elephant and a matchbox fall from a height of 200m.if they are in a state of free fall,which of them will reach the ground first and why?

Answer the following questions : Explain the term free fall and state the corresponding kinematical equations of motion in the usual notation.

CHETANA PUBLICATION-Unit Test 2-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 is a thermometer 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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