Two students discuss why a metal chair feels colder than other objects in the room. Student 1: Since feeling cold is just about temperature, the metal chair must have a temperature than anything else in the room. That's why it feels colder. Student 2: Feeling cold isn't just about temperature, it's about how quickly you're losa chair feels colder, it must be taking your heat faster. Which of these students, if any, do you agree with? Fynlain

Two students discuss why a metal chair feels colder than other objects in the room. Student 1: Since feeling cold is just about temperature, the metal chair must have a temperature than anything else in the room. That's why it feels colder. Student 2: Feeling cold isn't just about temperature, it's about how quickly you're losa chair feels colder, it must be taking your heat faster. Which of these students, if any, do you agree with? Fynlain

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Thank you for your helping in understanding the concepts of these practice problems.
During a bout with the flu an 9=80-kg man ran a fever of 39.0° C instead of the normal body temperature of 37.0° C. Assuming that the human body is mostly water, how much heat is required to raise his temperature by that amount? (Express your answer in whole number, no unit required) A Moving to the next question prevents changes to this answer. Question 19 of 20
Which of the following is required to calculate the amount of heat required to change the temperature of an object? Check all that apply. Multiple answers question. A) The initial temperature, B) The mass, C) The specific heat, D) The temperature change.
Two students discuss why a metal chair feels colder than other objects in the room. Student 1: Since feeling cold is just about temperature, the metal chair must have a lower temperature than anything else in the room. That’s why it feels colder. Student 2: Feeling cold isn’t just about temperature, it’s about how quickly you’re losing heat. If the chair feels colder, it must be taking your heat faster. Which of these students, if any, do you agree with? Explain your reasoning.
In container number 2 in the figure, there is a mixture of liquid and solid water consisting of the contents of one part of vessel 1 of 100 ml and three parts of vessel 3 of 300 ml. In bowl 1 there is only ice, in bowl 3 the water is at boiling point. And the mixture is thermally isolated What is the temperature of the mixture when thermal equilibrium is reached? Which of the containers "contains" more heat?
1000 800 600 400 200 10 20 30 40 50 60 70 80 90 -200 400 Time in seconds Look at the graph above. How much did the temperature change from t = 30 to t = 60 seconds? %3D AT = unit Select an answer v This substance has a specific heat of 0.13 cal/g°C. If you have 34 grams of this substance, how much heat was added from t = 30 to t = 60 seconds? Q = unit Select an answer v Temperature In C
A metal block that is at 1000F temperature is placed inside a cold container attime t = 0. The temperature of the container is maintained at 400F. A workerpassing by the container has observed that the temperature of the metal block has cooled to 900F after 10 minutes.a) Find the temperature of the metal block after thirty minutes.b) Find the time it will take the metal block to cool down to 500F
*38. GO At the bottom of an old mercury-in-glass thermometer is a 45-mm reservoir filled with mercury. When the thermometer was placed under your tongue, the warmed mercury would expand into a very narrow cylindrical channel, called a capillary, whose radius was 1.7 × 10-² mm. Marks were placed along the capillary that indicated the temperature. Ignore the thermal expansion of the glass and determine how far (in mm) the mercury would expand into the capillary when the temperature changed by 1.0 C°.
Q4: When you are sick your body temperature may be 39.0oC, compared to normal body temperaturegiven by 36.8oC. It was observed that body increased 0.525 MJ of heat energy. Calculate your mass? Takespecific heat of human body as Chaman=3470 J/kgoC. Human body cannot survive without sufficient watercontent in body. Justify your opinion based on scientific knowledge. If you replace water content of bodywith some other liquid, what changes you can observe?
A 40-cm-long icicle hangs from the eave of a house on a day when the temperature is -2.0°C. T Part A By how many millimeters does the icicle shrink if a bitterly cold wind drops the temperature to -20 °C? Express your answer with the appropriate units. AL= Submit xa μA Value 77 X.10n Units Previous Answers Request Answer ?
Q 02: A body at a temperature of 50F is placed outdoor where the temperature is 100F.If after 5 minutes the temperature of the body is 60F (i) How much time it will take to reach 75F (ii) Find the temperature at x=a time where a=1.55
Use Newton’s Law of Cooling, T = C + (T0 - C)ekt, to solve, A bottle of juice initially has a temperature of 70°F. It is left to cool in a refrigerator that has a temperature of 45°F. After 10 minutes, the temperature of the juice is 55°F. Solve, a. Use Newton’s Law of Cooling to find a model for the temperature of the juice, T, after t minutes. b. What is the temperature of the juice after 15 minutes? c. When will the temperature of the juice be 50°F?