Time + temperature - practice problems - page 3 of 4
Number of problems found: 78
- Temperature linear fit
At 2:00 a.m., the temperature was -7°F. At noon the temperature was 18°F. What expression represents the increase in temperature? - The temperature 27
The temperature in Chicago was –12°C. For 4 hours, the temperature rose 3°C every hour. What was the temperature after 4 hours? - The temperature 23
The temperature at midnight was -12 degrees F. The temperature rose to 28 degrees by noon. What was the temperature change (t) during this time? - Science experiment
During a Science experiment, a liquid was heated at the rate of 8 degrees Celsius per minute for 10 minutes. It was then allowed to lose heat at 6 degrees Celsius per minute. If the final temperature was 76 degrees Celsius, what was its temperature 16 min
- Temperature down
If the temperature is 25 degrees outside and every hour it drops 1.5 degrees, what would my temperature be at the end of the day (after 10 hours)? - Linear temp change
The temperature in Inuvik, Northwest Territories, increased at the same rate from -22°C at 9:00 AM to -8°C at 4:00 PM one day. What was the temperature at 2:00 PM? - Temperture drops
In Alaska, the temperature drops a total of -18 degrees over a three-day period. If the temperature drops at a constant rate, what is the change in temperature per day? - The temperature 18
The temperature at 12:00 PM was 43°F. Over the course of the day, the temperature decreased by 3.5°F per hour. What was the new temperature at 6:00 PM? - The temperature 17
The temperature was -5 Celsius at 6 AM. It increased by a speed of three degrees every hour for six hours. The temperature then increased 1 1/2° every hour for five hours. What was the temperature at 5 PM?
- Change per hour
On Sunday, the temperature was 63 degrees at 2 PM. The temperature was then 72 degrees at 5 PM. What is the rate of change per hour? - The temperature 13
The temperature in Toronto at noon during a winter day measured 4°C. The temperature started dropping 2° every hour. Which inequality can be used to find the number of hours, x, after which the temperature will measure below -3°C? - The temperature 12
The temperature of a liquid was 25°C before being warmed at a rate of 10°C per minute for 5 minutes. It was then cooled at 3.5°C per minute for 6 minutes. What was the temperature of the liquid after cooling? - Roxville
The temperature in Rockville decreased by 15 degrees in five hours. What was the average decrease in temperature per hour? Write your answer as an integer. - Radiators
Calculate the radiator output if it has a thermal gradient (difference between inlet water and return temperatures) a) 5°C b) 10°C c) 15°C d) 20°C A heating water volume flow is 45 kg/h. How fast the water flows from the supply pipe to the radiator e) DN1
- Weather
Weather. At 5:00 am, the temperature was 28°C, and at noontime, it rose by 9°C. By 4:00 PM, it dropped 3°C; by nighttime, it was 4°C less. What is the room temperature this time? - Electric cooker
During which time, does an electric cooker with power input P = 500 W and with efficiency n = 75% heat water with mass m = 2 kg and temperature t1 = 10°C to the boiling point (t2 = 100°C). The specific heat capacity of water is c = 4 180 J. Kg-1. K-1 - The temperature 9
The temperature at 9 AM is 2 degrees. The temperature rises three more degrees by noon. Which expression describes the temperature at noon? Calculate the new temperature value. - Midnight 2
It was 8 degrees at nightfall. The temperature dropped 10 degrees by midnight. What was the temperature at midnight? - Approximately 22253
The water in the container has a temperature of t1 = 80◦C, the temperature around the container is t2 = 15◦C. The dependence of temperature t on time τ (in minutes) can be expressed approximately by the formula: t = t2 +(t1 −t2)·e^(−0.05·τ) Calculate the
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