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How does the body control its temperature?

Thermoregulation is an example of homeostasis - the process by which the body maintains an optimum state. The body must maintain a stable temperature because extreme lows and highs of temperature can affect ...
DA
Answered by Dasha A. • Biology tutor
6138 Views

How do Sylvia Plath and Philip Larkin portray loss

Loss of human life is explored by both poets. Larkin's 'Love Songs in Age' depicts a lady who has lost someone she cared for and the lost love is kept alive through the songs. The short declarative: 'the cov...
CM
Answered by Chloe M. • English tutor
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Express (3 - sqrt(5))^2 in the form m + n*sqrt(5), where m and n are integers.

Layout the problem in a more recognisable form such as (3 - sqrt(5))(3 - sqrt(5)) . Notice that this looks a lot like a factorised quadratic equation , where sqrt(5) can be treated as a variable like x . The...
AP
Answered by Anselmo P. • Maths tutor
9469 Views

What is the difference between reliability and validity?

Reliability refers to how consistent the results of a study are or the consistent results of a measuring test. This can be split into internal and external reliability. Internal reliability refers to how con...
NH
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A spacecraft needs to be slowed down from a speed of 96m/s to 8.2m/s. This can be done by firing an object as the spacecraft is moving. If the mass of the spacecraft is 6730kg and the object is 50kg, calculate the velocity of the ejected object.

As we have there is object being fired out of the front of the spaceship we know the ship will have a lower velocity than before using the conversation of momentum. "The total momentum of a system is th...
BQ
Answered by Ben Q. • Physics tutor
2577 Views