- #1

polaris90

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temperature of 370 F and taken to a room that is at a temperature70 F. After 5 minutes, the temperature of the object is250 F.

a) Use the Newton’s law of cooling to write a differential

equation for this situation.

I started with dy/dt = k(y-70) and after differentiating I ended up with y = Be^(kt) + 70

What would I use or how would I solve for B?

I went online but on every page I saw B as Tf-Ti. On another post(not here) someone mentioned to solve for B, but I don't know how to. I have the temperatures and can just plug it into Tf-Ti, in this case 300. I don't to use it that way as it appears like I'm missing or assuming something not given.

Should I use 370 as my value for B?