physics

posted by .

a body cools from 80 degrees to 50 degrees in 5 minuts. calculate what time it will take to cool from 60 degrees to 30 degrees?

  • physics -

    Rate of cooling
    R= ΔT₁/t₁=(80-50)/5=6 degr/min
    t₂= ΔT₂/R=(60-30)/6=30/6=5 min

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. 6th grade math

    Which expression could you use to find the measure of an angle that is supplementary to 63 degrees. A) 90 degrees + 63 degrees B) 90 degrees - 63 degrees C) 180 degrees + 63 degrees D) 180 degrees - 63 degrees
  2. math

    find the angle that is coterminal to 525 degrees and lies between 0 degrees and 360 degrees?
  3. calculus

    Coroners estimate time of death using the rule of thumb that a body cools about 2 degrees F during the first hour after death and about 1 degree F for each additional hour. Assuming an air temperature of 78 degrees F and a living body …
  4. calculus

    Coroners estimate time of death using the rule of thumb that a body cools about 2 degrees F during the first hour after death and about 1 degree F for each additional hour. Assuming an air temperature of 70 degrees F and a living body …
  5. Chemistry

    Calculate the joules of energy involved when 11 grams of water at 10.0 degrees Celsius cools and then freezes at 0.0 degrees Celsius. How many kilocalories are required to raise the temperature of 305 gtams silver from 30 degrees Celsius …
  6. Pre-Algebra Adv.

    Find the change in temperature or elevation. 1) From -16 degrees C to 23 degrees C 2) From -47 degrees C to -38 degrees C 3) From 9 degrees F to -12 degrees F 4) From -16 degrees F to -27 degrees F
  7. calculus

    1 pt) Coroners estimate time of death using the rule of thumb that a body cools about 2 degrees F during the first hour after death and about 1 degree F for each additional hour. Assuming an air temperature of 68 degrees F and a living …
  8. physics

    Add the following vectors: 440 N at 100 degrees 905 N at 160 degrees A.1187.7 N at 128.7 degrees B.1010.4 N at 48.2 degrees C.1345 N at 130 degrees D.1013.5 N at 149 degrees
  9. calc 2

    A loaf of bread is removed from an oven at 350 degrees F and cooled in a room whose temperature is 70 degrees F. If the bread cools to 210 degrees F in 20 minutes, how much longer will it take the bread to cool to 155 degrees F. Round …
  10. math

    connexus com/content/media/642756-212012-25329-PM-831257193.png 1) Name a pair of complementary angles. <1 and <4 <1 and <6 <3 and <4 <4 and <5 2) If m<1=43 degrees, what is m<4?

More Similar Questions