59. In a typical squash game (Fig. 14–21), two people hit a softrubber ball at a wall. Assume that the ball hits the wall at avelocity of 22 m/s and bounces back at a velocity of 12 m/s,and that the kinetic energy lost in the process heats the ball.What will be the temperature increase of the ball after onebounce? (The specific heat of rubber is about 1200 J/kg•C°.)FIGURE 14-21Problem 59.

The loss in kinetic energy of the ball can be given by, KE=12mv2.............(1) Where, m = mass of…

Answered: 59. In a typical squash game (Fig.…

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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A student obtains the following data in a calorimetry experiment designed to measure the specific heat of aluminum:Initial temperature of water and calorimeter: 70°CMass of water: 0.400 kgMass of calorimeter: 0.040 kgSpecific heat of calorimeter: 0.63 kJ/kg °CInitial temperature of aluminum: 27°CMass of aluminum: 0.200 kgFinal temperature of mixture: 66.3°CUse these data to determine the specific heat of aluminum.
A brass (a=19 x 10-6 °c-1) ring of diameter 10.01 cm at 20.0°C is heated and slipped over an aluminum rod (a = 24 x 10-6 0c-1 ) of diameter 10.4 cm at 20.0°C. Assuming the average coefficients of linear expansion are constant, to what temperature (in °c-1 ) must this combination be cooled to separate them?
(9%) Problem 9: Suppose a human body's core internal temperature is 37.0°C, the skin temperature is 34.0°C, the thickness of the tissues between averages 1.05 cm, and the surface area is 1.3 m2. Thermal conductivity k (J/s• m C) 0.042 Substance Glass wool Wool 0.04 Glass 0.84 Human body 0.2 Ceramic 0.84 Wood 0.08-0.16 Air 0.023 Fatty tissue Styrofoam 0.2 0.010 Otheexpertta.com Calculate the rate of heat conduction, in watts, out of the human body. Q/At = Grade Summary Deductions Potential 0% 100% sin() tan() E Submissions Attempts remaining: 10 (0% per attempt) detailed view cos() 7 9 HOME cotan() asin() acos() 4 atan() cosh() acotan() sinh() 1 3 tanh() cotanh() END Degrees Radians VOL BACKSPACE CLEAR DEL Submit Hint Feedback I give up! Hints: 0% deduction per hint. Hints remaining: 1 Feedback: 0% deduction per feedback.
#12. (14) A hot metal block in the shape of a cube whose edge has length 12 cm is at temperature 600 K. At what net rate does it radiate heat when it is placed in air at temperature 300 K? Assume perfect emissivity.
(g) A thin, 1.44-kg slab of copper at 18.0°C is set sliding at 2.90 m/s over an identical stationary slab at the same temperature. Friction quickly stops the motion. Assuming no energy is transferred to the environment by heat, find the change in temperature of both objects. (Assume the specific heat of copper is 387 J/kg · °C.) ΔΤ. sliding slab The correct answer is not zero.°C ΔΤ. stationary slab The correct answer is not zero.°C (h) Evaluate Q and AE, int for the sliding slab and AE, 'mech for the two-slab system. ΔΕ , int ΔΕ. mech (i) Evaluate Q and AE, int for the stationary slab. ΔΕ. int
[3 kW] 13. A copper rod and an aluminum rod of equal diameter are joined end to end in good thermal contact. The temperature of the free end of the copper rod is held constant at 100°C and that of the far end of the aluminum rod is held at 0°C. If the copper rod is 0.15 m long what must be the length of the aluminum rod so that the temperature at the junction is 50°C? [9 cm] diua 2 00 heated
The height of the Washington Monument is measured to be 170 m on a day when the temperature is 3.50 C What will its height be on a day when the temperature falls to -10.0 C. Although the monument is made of limestone, assume that its thermal coefficient of expansion is the same as marble's which is 2.5x10^-6 divided by degree centigrade. Your answer must have five figures(example answer format would be 159.89 meters-this is not the exact correct answer)
A brass (a=19 x 10-6 °c- 1 ) ring of diameter 10.01 cm at 20.0°C is heated and slipped over an aluminum rod (a = 24 x 10-60c-1 ) of diameter 10.4 cm at 20.0°C. Assuming the average coefficients of linear expansion are constant, to what temperature (in c-1) must this combination be cooled to separate them?
None
שפיי יוון 6:58 PM | 18.9KB/s ●●● expert.chegg.com/exă Shur 3w/ Question 3 How much heat is required to convert 25.4 g of liquid water (H2O) at 85°C to steam at 135° C? The specific heat capacity for liquid water is 4.18 1/g "C. for steam is 2.01 J/g-C. and the enthalpy of vaporization is 40.7 kJ/mol. Report your answer in kl.
(9) A metal rod made of some alloy is to be used as a thermometer. At OoC its length is 40000cm, and at 1000C its length is 40060cm. (a) What is the linear expansion coefficient of the alloy? (b) what is the temperature when its length is 39975cm? (40)

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