physics

posted by .

A container of hot water at 80 deg C cools to 79 deg C in 15 seconds when it is placed in a room that is at 20 deg C. Use Newton's law of cooling to estimate the time it will take for the container to cool from 70 deg C to 69 deg C.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Trig.

    I have answers for these problems, but I wanted to check if I had them right because I wasn't sure on some of them....Thanks. Solve the triangle: 1. a=4, b=8, alpha=30 deg. answer- beta=90 deg., gamma=60 deg., c=7 2. a=5, b=7, alpha=30 …
  2. Physics

    "Luke Skywalker mixes 250g of hot water (75 deg C) with 500g of cool water (15 deg C). What is the final temperature of the water?
  3. Physics

    I need to sketch a 45 deg - 45 deg - 90 deg triangle and indicate the lengths of each side assuming the hypotenuse is = to 1 meter
  4. Chemistry

    What is the final temperature when 50.0 g of Chromium at 15 deg. C (specific heat of Cr = 0.107 cal/g-deg.) is added to 25 ml of 45 deg.C water?
  5. physics

    A container of hot water at 80 deg C cools to 79 deg C in 15 seconds when it is placed in a room that is at 20 deg C. Use Newtons law of cooling to estimate the time it will take for the container to cool from 70 deg C to 69 deg C.
  6. Physics

    Consider a piece of metal that is at 5 deg C. If it is heated until it has twice the internal energy, its temperature will be. a)556 deg C b)283 deg C c)273 deg C d)278 deg C e)10 deg C
  7. Geometry

    What is the value of x? image is on: tiny pic . com/r/nx1abn/8 I choose c 90 deg a 60 deg b 72 deg c 90 deg d 120 deg
  8. Algebra 1

    In a right triangle the adjacent side = 12, the opposite side = 35, and the hypotenuse = 37. What does the opposite angle =?
  9. Physics Component Method

    The vector signs are above each letter (I just don't know how to show it that way) A= 145 units @ 190 deg. B= 75 units @ 288 deg. C= 210 units @ 85 deg. D= 105 units @ 355 deg. How do I use the component Method with these given magnitude …
  10. physics

    An object is heated and then allowed to cool when the temperature is 70 deg. its rate of cooling is 3 deg, celcius perminute and when the temperature is 60 deg. celcius, the rate of cooling is 2.5 deg. celcius per minute. Determine …

More Similar Questions