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First we need to draw a velocity-time diagram, which has time on the x-axis, or bottom, and velocity on the y-axis, or left.The ball begins from a stop, so we can draw a dot at (0,0). It accelerates until...
If Fred and Julie share £60 in a 5:7 ratio, Fred will get 5/12ths of the money and Julie will get 7/12ths of the money. All together there will be 12 parts of the money because 5 + 7 = 12So, you need to d...
The 'perfect tense' is used to describe events in the past that had a definite ending whereas the imperfect tense if used to describe events which were ongoing. i.e. if we wanted to say: 'While Juan was e...
A catalyst acts to lower the activation energy of the reaction. It speeds up the reaction without being used up.Binding of the catalyst alters the tertiary struct...
10x^2+4xy-15xy-6y^210x^2-11xy-6y^2
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