Hi
An object with temperature 26 degrees Celsius is placed in water with constant temperature of 90 degrees Celsius. If the temperature of the object rises to 70 degrees Celsius in five minutes, what will be the temperature after 10 minutes?
I thought of using Newtons law of cooling...
Hi
Im trying to write an equation for the question below. Could someone please point me in the right direction with writing it?
Homework Statement
An island is 4km from the nearest point p on the straight shoreline of a lake. if a person can row a boat at 3km/h and walk at 5km/h where...
Hi
Im trying to write an equation for the question below. i did write one but am pretty sure it is wrong because I need to differentiate arctan in it and we have not been taught that yet. Could someone please point me in the right direction with writing it?
Homework Statement
A...
I am trying to find the minimum and maximum distance between point (0,4) and the line y=(x^2)/4 in the region of 0<=x<=2√3.
This is what i have so far
y(distance)=√((x-0)^2+((x^2)/4)^2)
=(x^2+(X^4)/16+16)^0.5
then calculate y'
then make y'=0
then determine if max or min using 2nd...