A curve is defined by the parametric equations: x = t2 t and y = t3 3t Find the coordinates of the point(s) on the curve for which the normal to the curve is parallel to the y-axis. You must use calculus and clearly show your working, including any derivatives yo...
Why is the first ionisation energy of chlorine greater than the first ionisation energy of Lithium ?
correction: |z-5-12i| + |z-5+12i|=13
Find the equation of the locus of the point representing z if |z-5-12i| + |z-5+21i|=13
what about time on y and length on x ?
if im plotting a graph: Time Squared vs Length What will be the unit of my gradient ?
Rainflow is a new U- Shaped system of guttering. The cross section is a semi circle with a radius of x topped by an open rectangle of height h. The total distance ABC is 20cm For which values of x and h will rainflow carry the most water ?
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Skateboarders Velocity is given as v=3t-0.2t^2 What is his max velocity
a sheet of cardboard is to be folded up to make a closed box. If the cardboard measures 55 cm by 80cm calculate the maximum volume of the box that can be made from this sheet of cardboard