Submit answer Practice similar く If a cup of coffee has temperature 95°C in a room where the temperature is 20°C, then, according to Newton's Law of Cooling, the temperature of the coffee after t minutes is T(t)=20+75e-t/50 What is the average temperature (in degrees Celsius) of the coffee during the first half hour? Average temperature = Submit answer Answers Answer ere to search Report technical issue Email instructor F2 7 2 F4 F3 degrees Celsius COMT The Weather Channel 54 # m Q W E A N S D C F5 F6 R LL F % 5 T DELL 心 Score -/1 0/1 S&P 500 UP F12 F7 F8 F10 G 7 H K B N Σ P

The carbon content of machine steel for gages usually ranges from 0.15% to 0.25%. Round the answers for a and b to 2 decimal places. a. What is the minimum weight of carbon in 250 kilograms of machine steel? b. What is the maximum weight of carbon in 250 kilograms of machine steel?

The coroner arrives at the scene of a murder at 2am. She takes the temperature of the body and finds it to be 61.1 degrees. She waits 1 hour, takes the temperature again, and finds it to be 56.2 degrees. The body is in the freezer where the temperature is 15 degrees. Approximate when the murder was committed ussing Newton's law of cooling and assuming that the normal body temperature is 98.6 degrees

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Newton's Law of Cooling A heated metal is placed in cooler surroundings. Its rate of cooling is II. 2°C per minute when its temperature is 60°C and 1.2°C per minute when its temperature is 52°C. Find the temperature of the surroundings and the rate of cooling when the temperature of the metal is 48°C.

The table gives the outside temperature in degrees Fahrenheit on a winter day in Death Valley, California.   Calculate the average rate of change in temperature between 8:00 am and 11:00 am

Meteorologists define the temperature lapse rate to be -dT/dz where T is the air temperature in Celsius at altitude z kilometers above the ground. (a) What are the units of the lapse rate? ---Select--- (b) What is the practical meaning of a lapse rate of 6.4? O The air temperature drops about 6.4°C for every kilometer you go up. The air temperature drops about 1°C for every 6.4 kilometers you go up. The air temperature drops about 6.4°C for every 6.4 kilometers you go up. O The air temperature is about 6.4°C after you go up 6.4 kilometers. O The air temperature is about 6.4°C after you go up 1 kilometer.

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You peer around a corner. A velocity raptor 64 meters away spots you. You run away at a speed of 6 meters per second. The raptor chases, running towards the corner you just left at a speed of {\displaystyle 4t}4t meters per second (time {\displaystyle t}t measured in seconds after spotting). After you have run 4 seconds the raptor is 32 meters from the corner. At this time, how fast is death approaching your soon to be mangled flesh? That is, what is the rate of change in the distance between you and the raptor?

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