Consider an object in a surrounding with constant temperature of 25°C. If the temperature of the object decreases from 100°C to 90°C in 10 minutes, how much longer will it take for its temperature to cool to 80°C ?

Q: A commercial cherry grower estimates from past records that if 23 trees are planted per acre, then…

A:

Q: II. Consider an object in a surrounding with constant temperature of 25°C. If the temperature of the…

A:

Q: A small metal bar, whose initial temperature is 40°C, is dropped into a container of boiling water…

A: There is no such introduction for the solution.I have explained it within the solution.Please go…

Q: A body cools in temperature 20°C. Ten minutes after the body began to cool, its temperature was…

A:

Q: On a given planet, the weight of an object varies directly with the mass of the object. Suppose that…

A:

Q: Suppose that a university had an enrollment of 9000 students in 1991 and each year thereafter…

A: The initial number of students in 1991 is 9000. It is given that every year the students increase by…

Q: The number of participants in the orientation program doubles in size each day and it covers an…

A: Topic = Algebra

Q: Consider an object in a surrounding with a constant temperature of 25C. If the temperature of the…

A:

Q: Consider an object in a surrounding with constant temperature of 25°C. If the emperature of the…

A:

Q: At 10:30 am, detectives discover a dead body in a room and measure its temperature at 26◦C. One hour…

A: Recall the Newton's law of cooling. The differential equation satisfied by the body temperature,…

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: on a given planet , the weight of an object varies directly with the mass of the object. suppose…

A:

Q: An object is dropped from a height of 100km. How long, in seconds, will it take to fall?

A:

Q: The temperature of the water boils at 100 degrees Celsius and while cooling, the temperature of the…

A:

Q: Consider an object in a surrounding with constant temperature of . If the temperature of the object…

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 metal sphere cools from 60°C to 50°C in 5 minutes. How much more time (in minutes) will it take to…

A:

Q: A commercial cherry grower estimates from past records that if 23 trees are planted per acre, then…

A: Given:A commercial cherry grower estimates from past records that if 23trees are planted per acre,…

Q: If the speed of a plane is described as Mach 2.7 what is its speed in kilometers per hour

A: By definition, Mach is the local flow velocity, u(say) is equal to the speed of sound. One Mach…

Q: If the raindrop is initially 500 m above the ground, how long does it take to fall? Find the

A:

Q: A commercial cherry grower estimates from past records that if 25 trees are planted per​ acre, then…

A: Given: 25 trees are planted per acre, each tree will yield an average of 39 pounds of cherries per…

Q: A certain drug breaks down in the body at a rate of 18% per hour. If an initial dosage is 500…

A:

Q: A ceramic insulator is baked at 400°C and cooled in a room in which the temperature is 20°C. After 4…

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: Find how much more energy was released by an earthquake of magnitude 6.9 than by an earthquake of…

A: Solution: use formula Log E = 11.8+1.45M

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

A:

Q: Suppose there is a 2​-degree drop in temperature for every thousand feet that an airplane climbs…

A:

Q: Light travels at a rate of 186,000 miles per second. If our moon is 238,860 miles from Earth, how…

A: We know, Speed = DistanceTime ⇒ Time = DistanceSpeed

Q: A body at a temperature of 50 degree Fahrenheit is placed in an oven whose temperature is kept at…

A: toNewtonisdawAccordingof coolingdTTs-KLT-Ts)1surrounding tempis temp after itminutesdtTlt)>dT-k…

Q: If a bacteria culture starts with 6000 bacteria and doubles every 25 minutes, how many minutes will…

A: To find the time taken to reach the population 42000, we have to find the equation representing the…

Q: On a given planet, the weight of an object varies directly with the mass of the object. Suppose that…

A: This question can be solved using the concept of proportionality

Q: How long does it take the rock to reach half its maximum height? How long is the rock aloft?

A: Given : velocity of rock thrown vertically upward = 8 m/sec Height, s = 8

Q: A ball is dropped from a height of 50 meters. If each bounce brings it to 90% of its previous…

A:

Q: A jet plane traveling at 570 mph overtakes a propeller-driven plane that has had a 2 h head start.…

A: Let x miles from the starting point does the jet overtake the propeller-driven plane.  We will use…

Q: A commercial cherry grower estimates from past records that if 23 trees are planted per acre, then…

A: A commercial cherry grower estimates from past records that if 23 trees are planted per acre, then…

Q: It is projected that, t years after 2010, the population of the United States will be P(t) =…

A:

Q: The relationship between the time elapsed and the distance traveled for three different cars is…

A:

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

A:

Q: How many times more energy does a 450-nm blue photon have than a 656-nm red photon?  answer to three…

A:

Q: A steel ball is heated to 120°C and then immersed in a vat of water kept at a constant temperature…

A:

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

A:

Q: The school population for a certain school is predicted to increase by 40 students per year for the…

A: It is given that, the school population for a certain school is predicted to increase by 40 students…

Q: was an earthquake in South America with magnitude 4.3 that caused only minor damage. How many times…

A:

Q: Two machines are turned on at 8:00 A.M. If one can produce 36 items each hour and the other can…

A:

Q: If you leave a 100-W light bulb on for a week, how many joules of energy will be consumed?

A:

Q: Suppose the length of a rectangular  solid increases by 15 percent, the width decreases by 25…

A: Consider l, w and h as the length, width and height of a rectangular solid.And consider the measure…

Q: Two resistors are wired in parallel, one of which is 100 ohms. If the total resistance is supposed…

A: The value of the second resistor needs to be 400 ohms.

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: