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A bat emits a sound wave with a frequency of 25.0 kHz and a wavelength of 0.0136 metres. Calculate the speed of this sound wave.

In this question you are given frequency and wavelength of the wave and you are asked for the speed. You need to use the formula on you sheet that uses these three properties : v = f x λ, where v is the spee...
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Answered by Libby D. • Physics tutor
19099 Views

Ill give a name of an animal.

Show pictures of four animals and allow them to choose the correct one. (can also be done for food, clothes, weather, time, places etc.)
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Answered by Ines R. • Spanish tutor
2540 Views

Simplify: 2x + 6y + 2y - x

To answer this question you need to group the different terms to form the shortest equation possible. It is easiest to treat the x terms and the y term as seperate, so you have: 2x - x and 6y+2y Here, x simp...
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Answered by Libby D. • Maths tutor
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How could I include the metaphor of Atticus as a moral compass in my essay on To Kill a Mockingbird?

Atticus Finch could be viewed as a moral compass within To Kill A Mockingbird, as exemplified when he tells Scout " You never really understand a person until you consider things from his point of view ...
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The same mass of large, medium and small marbles where reacted separately with diluted HCl. This is and exothermic reaction. Will the rise in temperature for each reaction differ? If yes than why?

The smallest marbles will give the highest rise in temperature, than the medium and lastly the largest marbles will give the lovest rise in temperature. The smaller the beeds the larger the surface area that...
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Answered by Ines R. • Chemistry tutor
3455 Views