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Explain what thermochromic means.

Thermochromic is a property of a material, which means that the material will change colour under the stimulus of heat. As the temperature changes, the colour will too.
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What does "superimposition" mean?

Superimposition is when two transverse waves come together, and their frequencies cancel each other out. If the waves are completely superimposed, the resultant wave is 0.
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Answered by Sameer M. • Physics tutor
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What is the electron arrangement of Potassium (K)?

2,8,8,1
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Answered by Sameer M. • Chemistry tutor
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What is the velocity of the line from vector A(3i+2j+5k) to vector B(10i-3j+2k)?

Simply take B from A i = 10-3=7 j= -3-2=-5 k= 2-5=-3 SO the velocity is (7i-5j-3k)
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Answered by Sameer M. • Maths tutor
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Differentiate 3x^2 + 6x^5 + 2/x

dy/dx= 6x + 30x^4 - 2/x^2
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Answered by Sameer M. • Maths tutor
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