Question

A thermometer reading 22 degree celcius is placed in an preheated to a constant temperature. Through a glass window in the oven door, an observer records that the thermometer reads 44 degree celcius after 1/2 minutes and 64 degree celcius after 1 minute. How hot is the oven

Answer #1

A thermometer reading 19° C is placed in an oven preheated to a
constant temperature. Through a glass window in the oven door, an
observer records that the thermometer reads 41° C after
1
2
minute and 61° C after 1 minute. How hot is the oven?

A thermometer reading 21° C is placed in an oven preheated to a
constant temperature. Through a glass window in the oven door, an
observer records that the thermometer reads 41° C after 1/2 minute
and 59° C after 1 minute. How hot is the oven?

A thermometer reading 68 ∘ F is placed in an oven preheated to a
constant temperature. Through a glass window in the oven door, an
observer records that the thermometer reads 264 ∘ F after 1 2
minute and 357 ∘ F after 1 minute. How hot is the oven?

a thermometer reading x°C is brought into a room with a constant
temperature of 5°C. if the thermometer reads 15°C after 1 minute
and the thermometer reads 10°C after 5 minutes, what is x°C?

A thermometer reading 8 degreesC is brought into a room with a
constant temperature of 38 degrees C. If the thermometer reads
14degreesC after 2 minutes, what will it read after being in the
room for 4 minutes? For 9 minutes?

a thermometer reading 9 degrees c is brought into a
room with a constant temperature of 32 degrees c if the thermometer
reads 16 degrees Celsius after 3 minutes what will it read after
being in the room for 5 minutes? for 10 minutes?

A thermometer reading 6 degrees°C is brought into a room with a
constant temperature of 32°C.
If the thermometer reads 13C after 4 minutes, what will it read
after being in the room for 6 minutes? For 11 minutes?

A thermometer is placed outside. The initial temperature of the
thermometer is 2◦C. After 1 minute, the thermometer reads 5◦C.
After 2 minutes, the thermometer reads 6◦C. What is the temperature
outside? (Hint: Write the DE, solve it, use initial conditions,
find expressions for C, e k and e 2k in terms of the temperature
outside. Relate them and solve for the temperature outside.)

At 1 p.m., a thermometer reading 80°F is taken outside where the
temperature is constant. At 1:05 p.m., the thermometer reads 35° F
more than the surrounding temperature. Forty minutes after being
taken outside, the thermometer reading differs from the outside
temperature by 15° F. Determine the outside temperature. How long
will it take for the same thermometer to cool from 100° F to 60° F
in air, which is maintained at 50° F? Ans.: 40.5° F, 66.5 min

(1 point) A thermometer is taken from a room where the
temperature is 20oC to the outdoors, where the temperature is
−12oC. After one minute the thermometer reads 4oC.
(a) What will the reading on the thermometer be after 2 more
minutes?
,
(b) When will the thermometer read −11oC?
minutes after it was taken to the outdoors.

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