Question

please show me the steps   Suppose the temperature at (x, y, z) is given by T...

please show me the steps  

Suppose the temperature at (x, y, z) is given by T = xy + sin(yz). In what direction should you go from the point (1, 1, 1) to decrease the temperature as quickly as possible? What is the rate of change of temperature in this direction?

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
The temperature at a point (x,y,z) is given by T(x,y,z)=200e−x2−y2/4−z2/9, where T is measured in degrees...
The temperature at a point (x,y,z) is given by T(x,y,z)=200e−x2−y2/4−z2/9, where T is measured in degrees celsius and x,y, and z in meters. There are lots of places to make silly errors in this problem; just try to keep track of what needs to be a unit vector. A. Find the rate of change of the temperature at the point (0, -1, 2) in the direction toward the point (-1, 4, 2). b)In which direction (unit vector) does the temperature...
The temperature at a point (x, y, z) is given by T(x, y, z) = 400e−x2...
The temperature at a point (x, y, z) is given by T(x, y, z) = 400e−x2 − 5y2 − 9z2 where T is measured in °C and x, y, z in meters. (a) Find the rate of change of temperature at the point P(2, −1, 2) in the direction towards the point (3, −5, 6). °C/m (b) In which direction does the temperature increase fastest at P? (c) Find the maximum rate of increase at P.
The temperature at a point (x, y, z) is given by T(x, y, z) = 100e^(−x^2...
The temperature at a point (x, y, z) is given by T(x, y, z) = 100e^(−x^2 − 3y^2 − 9z^2) where T is measured in °C and x, y, z in meters. (a) Find the rate of change of temperature at the point P(2, −1, 2) in the direction towards the point (5, −2, 3). (b) In which direction does the temperature increase fastest at P? (c) Find the maximum rate of increase at P.
The temperature at a point (x, y, z) is given by T(x, y, z) = 10e^(− ...
The temperature at a point (x, y, z) is given by T(x, y, z) = 10e^(− 2x2 − y2 − 3z2). In which direction does the temperature increase fastest at the point (2, 1, 3)? Express your answer as a UNIT vector.
The temperature at a point (x,y,z) is given by T(x,y,z)=200e−x2−y2/4−z2/9, where Tis measured in degrees celcius...
The temperature at a point (x,y,z) is given by T(x,y,z)=200e−x2−y2/4−z2/9, where Tis measured in degrees celcius and x,y, and z in meters. There are lots of places to make silly errors in this problem; just try to keep track of what needs to be a unit vector. Find the rate of change of the temperature at the point (0, 1, -2) in the direction toward the point (-1, -2, 5). In which direction (unit vector) does the temperature increase the...
The temperature T of a flat sheet, at the point (?x, y) ?, is given by...
The temperature T of a flat sheet, at the point (?x, y) ?, is given by T (?x, y) ? ? x ^ 3 - 2xy + ? 2y ^ 22. a) Determine the rate of change of temperature in the direction of the vector v = (?2, −1) ?, from the point P (? − 1,2) ?. b) Calculate the highest rate of temperature growth from P (? − 1,2) ?, as well as the direction in which it...
The temperature on a surface can be described by the equation T(x, y, z) = 2xy...
The temperature on a surface can be described by the equation T(x, y, z) = 2xy + xy2 z + 12e 2z . Use this function to answer the following questions. Remember to clearly organize your work and indicate your final answer. (a) Find the direction you should head to achieve the greatest rate of change in temperature at any point. (b) Find the direction you should head to achieve the greatest rate of change in temperature if you are...
8) Given f(x,y)= x^3 + y^3 + 9xy + 5. ( Show all work please) a)...
8) Given f(x,y)= x^3 + y^3 + 9xy + 5. ( Show all work please) a) Find all the critical points. b) Give all the local maxima, minima and saddle points. c) Are the local extrema also global extrema? Explain. 9) You are standing at the point (1,1,3) on the hill whose equation is given by z=5y-x^2-y^2 (assume x,y,a are measured in meters) a) in what direction (relative to the horizontal plane) should you go to have steepest ascent? b)...
Suppose the stress tensor is T = x yz 2 yz y x 2 x z...
Suppose the stress tensor is T = x yz 2 yz y x 2 x z (a) Assuming there are no body forces, explain why it is not possible that the material is at rest. (b) What would the body force need to be so the material is at rest?
The temperature on the surface of the sphere x^2+y^2+z^2=9 is given by T(x,y,z)=2x+2y+z, What is the...
The temperature on the surface of the sphere x^2+y^2+z^2=9 is given by T(x,y,z)=2x+2y+z, What is the temperature at the hottest point on the sphere? Enter your answer as a decimal.