When sound waves travel from air to water, what happens to its frequency?
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Does a soccer ball go faster in the air on a cold or hot day?
what is Potassium Carbonate ?
Explain what is cardiac output?
What instrument is used to measure volume?
Tell me why ship doesnt sink sea?
we know the speed of light...... then what is the speed of darkness?????????????
Why is the earth not used as a return wire in a telephone system, while it is dine so in case of telegraph system.
a car starts from rest with uniform acceleration "a" for sometime and then with uniform retardation "b" and comes to rest. The time of motion is "t". find the maximum velocity attained by it?
What does hull speed mean?
Why is it easier to lift a stone in water than in air ?
Why is a man hit harder, when he falls on a paccafloor than when he falls on sand from the same height ?
You want to magnetize a metal. How would you do that?