Homework Statement
Consider now the point P(a, kan) on the general curve y=kxn. where n is any non zero real number and k >0.
find the equation of the tangent at the point P
find coordinates of the points A and B where the tangent meets the x-axis and y-axis respectively.
Homework...
Homework Statement
If I have a cup filled with boiling water, where will heat loss by conduction and heat loss by convection occur?
Homework Equations
The Attempt at a Solution
I think that heat loss out of the top of the cup (water in contact with air) will be convection, and...
Homework Statement
For the function y= |x2-4x+3|
a. Sketch the function
b. Is the function continuous? Explain.
c. Is the function differentiable everywhere? explain
d. find gradient of curve at the point where x = 3/2
Homework Equations
chain rule, differentiating...
The...
Homework Statement
a bushwalker wears clothing that is 2.0cm thick with a surface area of 1.9m^2. The material has k = 0.042 WM^-1K^-1. Her skin temperature is 33 degrees C and the ambient temp. is 0 degrees C.
Calculate rate of heat loss through her clothing while she is sitting...