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Find the area contained under the curve y =3x^2 - x^3 between 0 and 3

Equation of curve is: y = y =3x 2 - x 3 To find area need to integrate between 0 and 3So integrating each term gives x 3 - x 4 /4 + cThen sub in the limits [(3 3 - 3 4 /4) - (0 3 - 0 4 /4)] = 27-81/4 = 27 - ...
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Answered by Juan R. • Maths tutor
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Compare and contrast the structures of fibrous and globular proteins.

The crucial thing with a "compare and contrast" question is that you have to give both similarities and differences to get full marks. Firstly, both of these proteins are chains of amino acids join...
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Answered by Oscar B. • Biology tutor
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Explain how the human body is adapted for gas exchange

Gas exchange occurs in the lungs where oxygen enters from the air and diffuses into the blood stream and carbon dioxide in moves the opposite direction. Oxygen is needed for respiration by the body, for exam...
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Answered by Louise A. • Biology tutor
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How would I approach a problem question on murder?

To tackle a problem question on the offence of murder, you should take it step-by-step and look closely at the facts. As with any criminal offence, both the actus reus (act) and mens rea (mental state) must ...
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Answered by Natasha G. • Law tutor
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A ball is kicked off a cliff at a height of 20m above ground and an angle of 30 degree from the horizontal, it follows projectile motion and lands after a time t. Its velocity at the maximum height it reaches is 20m/s, how long does it take it to land?

This problem should be split into two parts, the time it takes the ball to reach its maximum point, and the time it takes it to fall to the ground from the maximum point.part 1) We can calculate the balls in...
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Answered by Patryk k. • Physics tutor
4094 Views