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How accurate is it to say that the nature of government under Lenin and Stalin was markedly different?

One of the most important things to do when answering a question like this is explain the links between your factors. You also need to establish criteria by which the question can be judged. You need to show...
Answered by • History tutor
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A particle is moving in a straight line with simple harmonic motion. The period of the motion is (3pi/5)seconds and the amplitude is 0.4metres. Calculate the maximum speed of the particle.

Question: A particle is moving in a straight line with simple harmonic motion. The period of the motion is (3 pi/5)seconds and the amplitude is 0.4 metres. Calculate the maximum speed of the particle. Anwer:...
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There are 10 boys and 20 girls in a class. The class has a test. The mean mark for all the class is 60. The mean mark for the girls is 54. Work out the mean mark for the boys.

Question: There are 10 boys and 20 girls in a class. The class has a test. The mean mark for all the class is 60. The mean mark for the girls is 54. Work out the mean mark for the boys.Answer: total mark for...
SK
Answered by Sajid K. • Maths tutor
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Show that the square of any odd integer is of the form (8k+1)

Any odd integer can be represented by 2m+1 for some integer m (can prove that 2m+1 is always an odd number if needed). (2m+1) 2 =4m 2 +2m+2m+1=4m 2 +4m+1=4m(m+1)+1 simple factorisation. m and (m+1) are conse...
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What is the difference between complete and incomplete combustion of a hydrocarbon?

In complete combustion, there is a sufficient supply of oxygen which is able to react with the burning hydrocarbon allowing the reaction products H 2 O and CO 2 to be formed. In incomplete combustion there i...
EM
Answered by Ellen M. • Chemistry tutor
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