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This is because the height and the mass of the air decreases as you go upwards.
chrispohmomanyi answered the question on October 2, 2017 at 11:15
- Explain why it is easier to hear sounds at night than during the day.(Solved)
Explain why it is easier to hear sounds at night than during the day.
Date posted: October 2, 2017. Answers (1)
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Explain why evaporation is always accompanied by a cooling effect.
Date posted: October 2, 2017. Answers (1)
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Explain how demagnetization is achieved by heating a magnet, using the domain theory.
Date posted: October 2, 2017. Answers (1)
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Date posted: October 2, 2017. Answers (1)
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Explain why television or computer screens often become very dusty as compared to their neighboring surfaces.
Date posted: October 2, 2017. Answers (1)
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Explain why a lady wearing sharp heeled shoes is not likely to skid on a slippery mud road.
Date posted: October 2, 2017. Answers (1)
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Date posted: October 1, 2017. Answers (1)
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Explain how polarization of a simple cell affects its emf.
Date posted: October 1, 2017. Answers (1)
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Explain the importance of a fuse in domestic wiring.
Date posted: October 1, 2017. Answers (1)
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Explain why a ship made of steel will float on water while a coin made of steel sinks.
Date posted: October 1, 2017. Answers (1)
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A ship moves from a region in the sea with fresh water to a region of salty water its weight remaining constant. Explain what is observed.
Date posted: October 1, 2017. Answers (1)
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Explain the function of plimsoll lines on a ship.
Date posted: October 1, 2017. Answers (1)
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Distinguish between kinetic energy and potential energy.
Date posted: October 1, 2017. Answers (1)
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Why are the plane mirrors not used as driving mirrors?
Date posted: October 1, 2017. Answers (1)
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Explain why power cables to an electric cooker are thicker than the ones in the lighting.
Date posted: October 1, 2017. Answers (1)
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Why is Brownian motion only exhibited by small particles?
Date posted: October 1, 2017. Answers (1)
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Date posted: October 1, 2017. Answers (1)
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State the main energy changes that take place in a filament lamp.
Date posted: October 1, 2017. Answers (1)
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Explain the meaning of plastic deformation.
Date posted: October 1, 2017. Answers (1)
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Explain why resultant forces on a sky diver changes as his speed increases.
Date posted: October 1, 2017. Answers (1)