While swimming, why do we press the water backward with our arms and hands ?

3 Answers  

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Dust is removed from a carpet, if we strike it with a stick, why ?

21 Answers   Mexus,

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if 100W and 200W bulbs are connected in series to a supply which bulb will glow brighter and why

5 Answers   DELL, Eskom,

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What happens when you travel across the dateline?

0 Answers  

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What is the name for the physical constant with a value of 6.62 x 10-27 erg seconds?

0 Answers  

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Explain the Dew Point ?

1 Answers  

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Physics short answer to two significant figures, what is the index of refraction of air?

0 Answers  

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How can you conform that magnetic lines come from a single bar magnet with out any external instruments?

1 Answers  

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Explain the Translucent ?

2 Answers  

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A solar collection has been installed to heat water. A large water tank has a volume of 5.0 x 105 cm3. The area of the solar collectors is 8m2. (2 meters by 3 meters). If the water in the tank starts out with a temperature of 30°C in the morning, what is its temperature in the evening after the sun has set?

0 Answers  

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All elements with an atomic number greater than what number are unstable?

0 Answers  

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What is the laws of dry or solid friction.

0 Answers   Godrej,

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