What is the initial temperature of the coffee

Reference no: EM131003515

A cup of coffee is poured from a hot pot into a cold mug. The temperature, y in degree F, of the coffee after time, t in minutes, is modeled by: y = 65(.94)^t + 70

a. What is the initial temperature of the coffee?

b. What is the temperature of the room?

c. The coffee will scold your mouth at 115 ^oF. How long do you have to wait alter pouring the coffee to drink it without being scolded?

d. What is the temperature of the coffee when it is cooling down at a rate of 1 ^oF/m?

e. How fast is the coffee cooling down when its temperature reaches body temperature (98.6 ^oF)?

Reference no: EM131003515

Questions Cloud

What is the specific heat of the metal : In a lab experiment, 45 grams of a metal are heated from 22°C to 78°C by the addition of 450 J of heat. What is the specific heat of the metal? Show all calculations leading to an answer

Globalization is detrimental to national independence : Is globalization, which blur physical boundaries, and international organizations, which can possibly impact political sovereignty, a detriment to national independence or a growing indication of increasing global cooperation?

Refundable security deposit-draw a cash flow : A local car dealer is advertising a 24 month lease of a sport utility vehicle for 520 payable at the beginning of each month. the lease requires a 2500 down payment plus a 500 refundable security deposit that is refunded at the end of the 24 month le..

How are deferred tax assets and deferred tax liabilities : Distinguish between intraperiod tax allocation and interperiod tax allocation (deferred tax accounting). Provide an example of each.

What is the initial temperature of the coffee : What is the initial temperature of the coffee? What is the temperature of the room? The coffee will scold your mouth at 115 oF. How long do you have to wait alter pouring the coffee to drink it without being scolded?

Find period of oscillation both symbolically and numerically : An m = 0.20 kg uniform rod is L = 20 cm long. The rod is pivoted at one end and the other end is attached to a horizontal k = 3.0 N/m spring. When the rod hangs straight down, the spring is neither stretched nor compressed. Assume in this problem ..

How high is the cliff in meters : A rock is dropped from the top of a cliff and strikes the ground 6.5 seconds later. How high is the cliff in meters

Developing and implementing the plan : Developing and Implementing the Plan How would you take into consideration the following questions for your plan? 1. How do you see the process of team building fitting into the theory and practice of TQM as it applies to Wonde rWash?

How can cultural be the source of conflict : How does sociological research help us investigate and understand culture?

User Account

All Pages