A body of unknown temperature is placed in a refrigerator at a constant temperature of 0 degree Fahrenheit. If after 20 minutes the temperature of the body is 40 degree Fahrenheit and after 40 minutes the temperature of the body is 20 degree Fahrenheit, find the initial temperature of the body. Select the correct response:

Q: A pan of warm water (46°C), is placed into a refrigerator. Ten minutes later the waters temperature…

A: NOTE: Refresh your page if you can't see any equations. .  ambient temperature  initial temperature…

Q: A body temperature of 50°F is placed outdoor where the temperature is 100°F. If after 5 minutes the…

A:

Q: A dead body is discovered at 3:40pm in a room where the temperature is 25°C. At that time the…

A: We will find out the required time of death.

Q: What is the overall gear ratio when the transmission is in first gear which has a ratio of 2.5:1 and…

A:

Q: It was 32 degrees F at 6:00 a.m. Then a cold front came in and the temperature dropped 6 degrees F…

A: Given that 32 degrees F at 6:00 a.m. Then a cold front came in and the temperature dropped 6 degrees…

Q: A thermometer is taken from an inside room to outside, where the air temperature is 6°?. After 1…

A:

Q: At 9:00AM, a thermometer reading 70°F is taken outdoors where the temperature is 15°F. At 9:05AM,…

A:

Q: A metal at 86°C is placed in an oil bath at 200°C. After 30 minutes, the temperature reached 120°C.…

A:

Q: At 12:00NN, a thermometer reading 60 °C is taken outside where the temperature is 24 °C. At 12:02PM,…

A: GIVEN : T0 = 60°C at 12:00 noon, Ta = 24°C                At 12:02 PM , T = 32°C FIND - difference…

Q: An object with a temperature of 88°C is placed into the water of 25°C. After 15 minutes, the…

A: Newton's law of cooling: T-Ts = (To-Ts)ekt Where T is changed temperature  Ts- surface temperature…

Q: A pie is removed from your oven with an internal temperature of 182°F. It is placed on your counter…

A: Given: The room temperature is 67° F. The initial temperature is 182° F. The temperature after 0.5…

Q: If the temperature was 49 degrees Fahrenheit at 9 a.m. what will the temperature at 6 p.m.

A:

Q: When an object was removed from a furnace it had temperature of 1500 deg. It was placed in a media…

A:

Q: A cold metal bar at −30◦C is submerged in a pool maintained at a temperature of 40◦C. Half a minute…

A:

Q: • A body having a temperature of 100°C was placed in a room where the temperature is 5°C. At the end…

A:

Q: A pitcher of buttermilk initially at 25°C is to be cooled by setting it on the front porch, where…

A:

Q: A metal sphere cools from 80°C to 70°C in 5 minutes. How much more time (in minutes) will it take to…

A:

Q: A cup of coffee has a temperature of 165°F and is placed into 35° F refrigerator. After 10 minutes,…

A: Newton law of cooling

Q: A thermometer is taken from an inside room to the outside, where the air temperature is 5 degrees…

A: Solution )

Q: b. The temperature at 8:20 P.M. is 3°C. If it has dropped 1°C per minute, what was the temperature…

A: Given,          The temperature at 8:20 P.M is 3°C. If it has dropped 1°C per minute.

Q: In a murder investigation, the temperature of the corpse was 32.5◦C at 1:30 PM and 30.3◦C an hour…

A:

Q: Some people subtract 32 and then divide by 2 to estimate the change from a Fahrenheit reading to a…

A: Some people subtract 32 and then divide by 2 to estimate the change from a Fahrenheit reading to a…

Q: by 60 volts. How much amps will be produced? ____________________   Suppose the loudspeaker…

A: We have given  Resistance , R = 8 ohm Voltage , V=60 voltage Using ohm's law V=I R amps I=VR amps…

Q: In a murder investigation, a corpse was found by a detective at exactly 8 P.M. Being alert, the…

A:

Q: temperature of the object decreases from 100°C to 90°C in 10 minutes, how much longer will it take…

A: Given values Temperature of the surrounding, To= 25 degrees In the first case Initial temperature…

Q: A pot of 180-degree water is placed in a freezer that is set to 20 degrees. The water cools to…

A:

Q: As. Smith invested $29,000 in two accounts, one yielding 5% interest and the other yielding 10%. If…

A: Ms. Smith invested $29,000 in two accounts  let the amount deposited in one yielding 5% interest…

Q: Ship A is 15 nautical miles west of Ship B and bears 336°T from ship C. Ship B on the other hand…

A: Ship A bears 3360T from ship C. Ship B bears 50042'T from ship C.To Find: How far is ship B from…

Q: The temperature of the engine of an armored personnel carrier returning from an exercise from 100 °…

A: Assume the given terms and use integration to determine the relation between temperature T and time…

Q: The design of a voltmeter requires that the resistance R2 be 10 ohms greater than the resistance R1,…

A:

Q: Suppose newly-baked cupcakes are taken out of the oven, set at 100 degrees. The room temperature is…

A:

Q: From midnight to 6:00 am, the temperature dropped o.9°C each hour. If the temperature at 6:00 am was…

A: Given :drop rate of temperature = 0.9 degrees per hour temperature at 6 am = -0.4 degrees…

Q: A corpse was found by a detective at exactly 8:00 PM. Being alert, the detective measured the body…

A: Suppose that, time 0 is taken to be 8 P.M. The given conditions can be written as a boundary value…

Q: By noon, the temperature in Buffalo had risen by 16 °F. What was the temperature there at noon?

A: We have to answer the questions using the given table.

Q: If the air is maintained at 15oC and the temperature of the body drops from 70oC to 40oC in 10…

A:

Q: A. The temperature of the body dropped from 200 degrees C to 100 degrees C for the first hour.…

A: As we know that the standard form Newton's law of cooling: T-T0=Ce-kt  ....1 Where, T0=ambient…

Q: At 10:00 a.m. the temperature is –3.4°F. The temperature increases 0.5°F each hour for the next 6…

A: Given     Temperature at 10:00 a.m=-3.4°F     After 6 hours , that is     Temperature at 4:00…

Q: A roasted turkey is taken from an oven when it temperature has reached 185 degrees Fahrenheit and is…

A:

Q: A temperature of 72°F is equivalent to: a) 36°C b) 22.2°C c) 45°C d) 18°C

A:

Q: A block with initial temperature of 65°F was put inside the oven with temperature of 350°F. After 10…

A:

Q: The formula for converting temperature from Fahrenheit to Celsius is C =(F – 32), If the temperature…

A:

Q: The formula for converting temperature from Fahrenheit to Celsius is C =;(F - 32), If the…

A: Given formula is  C= 5/9(F-32)  Where C is temperature in degree Celsius  and F is temperature in…

Q: If the air is maintained at 15oC and the temperature of the body drops from 70oC to 40oC in 10…

A: The given air temperatutre T∞=15°CInitial temperature of the body Ti=70°CAfter time t = 10 minutes…

Q: If the air is maintained at 15°C and the temperature of the body drops from 70°C to 40°C in 10…

A:

Q: Frank's automobile engine runs at 100°C. One day, when the outside temperature is 16°C, he turns off…

A: As per our guidelines we can solve only one question at a time. Please repost unsolved question…

Q: A metallic rod at a temperature of 120°F is placed in a room at a constant temperature of 10°F. If…

A: Initial temperature of metallic rod is:  T0 = 120∘F temperature of the room = 10∘F By Newton's law…

Differential Equations

Have you ever observed the movement of the satellites and rockets or how the planets go around the sun in their orbits? How will you determine their motion? Definitely they follow some scientific laws and these kinds of problems are framed as differential equations.