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A body is moving at 70km/h and has a mass of 130kg, calculate its maximum kinetic energy.

Firstly, the speed is not given in SI units, this is modified by changing the units from km/h to m/s by the following relationship; 70km/h = (70000/3600)m/s. Once this is complete the equation for kinetic en...
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Answered by Joe I. • Physics tutor
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A curve has equation y = e^x + 10sin(4x), find the value of the second derivative of this equation at the point x = pi/4.

Firstly, differentiate y with respect to x once to obtain the equation dy/dx = e^x + 40cos(4x). Then differentiate this resultant expression, with respect to x, to acquire a solution for (d^2)y/d(x^2) = e^x ...
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Answered by Joe I. • Maths tutor
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Factorise the following equation: 2x^2 + 8x + 8

The first step in factorising is to look for a 'common factor'. A common factor is a number or letter that all the values have in common. All the integers (numbers) in this equation can be divided by 2. Ther...
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Answered by Ellen K. • Maths tutor
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What is the difference between mitosis and meiosis?

Mitosis and meiosis are both ways that cell division can happen in humans. Mitosis produces two daughter cells that are genetically identical with the same number of chromosomes (diploid). Whereas, meiosis p...
AA
Answered by Aisha A. • Biology tutor
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How well does the dopamine hypothesis explain the development of schizophrenia?

The dopamine hypothesis states that schizophrenia is caused by increases in the amount of the neurotransmitter dopamine in the brain. This theory is supported by research that showed that the use of amphetam...
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Answered by Ellie S. • Psychology tutor
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