A blacksmith heated a metal bar to 1200° C and crafted a sword befor letting it cool down in a container filled with water with maintained temperature of 50°C. If in the first minute, the sword cools down by 200°, how much longer will it take to cool a second 200°? * O 1.24 minutes O 2.24 minutes O 3.24 minutes O 4.24 minutes

Q: One law for skin healing is A = Anet, where is the number of square centimeters of unhealed area…

A: The number of square centimeters of unhealed area after t days is given by:A(t)=A0 e-0.1t

Q: Define C.O.P. of the simple vapor compression refrigeration cycle R-717. The evaporation temperature…

A: We have to find cop....

Q: A cereal packaging machine can fill 15 oz boxes at a rate of boxes every 2 minutes. Production has…

A: This question is related to work and time , we will solve it using given information.

Q: One of the fastest known glaciers was recorded moving at speed of 0.15 cm/s. How many days would it…

A: Since 1 mile = 1.61 km So, 10 miles = 10×1.61 km = 16.1 km  Again 1 km = 100000 cm So, 16.1 km =…

Q: In a murder investigation, a body is found at 1:35am in a room set to 70◦F. The temperature of the…

A: To find the time of murder, we can use differential equation. Now, Newton law of cooling says that "…

Q: It is 60°F outside. We put a very hot plate on the backyard table. After 5 minutes the temperature…

A: We use Newton cooling law

Q: It took 11 hours for 4 heaters to heat the gymnasium from 35°F to 70° F. If two heaters that heated…

A:

Q: Your hose fills a s pool is full in 1 ho alone?

A: your hose fills the pool in 3 hours.  Work done in 1 hour =13 Time taken when work together = 1 hour…

Q: It was noon on a cold December day in Tampa: 16°C. Detective Taylor arrived at the crime scene to…

A: At o' clock the body temperature is The surrounding temperature is At  the body temperature is