Engineering, 05.10.2019 11:30 nsbegay2007
The temperature of a cup of coffee is 85oc initially, and becomes 75°c after 1 min. estimate the temperature after 5 min. assume the room temperature is 25°c. is it still warm enough to drink?
Answers: 1
(1)
(2)
(3)
as 
(4)
Another question on Engineering
Engineering, 03.07.2019 19:30
When using the ohmmeter function of a digital multimeter, the leads are placed in what position relative to the component being tested? a. parallel b. control c. series d. line
Answers: 3
Engineering, 04.07.2019 18:10
During a steady flow process, the change of energy with respect to time is zero. a)- true b)- false
Answers: 2
Engineering, 04.07.2019 18:10
Ariver flows from north to south at 8 km/h. a boat is to cross this river from west to east at a speed of 20 km/h (speed of the boat with respect to the earth/ground). at what angle (in degrees) must the boat be pointed upstream such that it will proceed directly across the river (hint: find the speed of the boat with respect to water/river)? a 288 b. 21.8 c. 326 d. 30.2
Answers: 3
Engineering, 04.07.2019 18:20
Asolid cylinder is concentric with a straight pipe. the cylinder is 0.5 m long and has an outside diameter of 8 cm. the pipe has an inside diameter of 8.5 cm. the annulus between the cylinder ad the pipe contains stationary oil. the oil has a specific gravity of 0.92 and a kinematic viscosity of 5.57 x 10-4 m2/s. most nearly, what is the force needed to move the cylinder along the pipe at a constant velocity of 1 m/s?
Answers: 3
You know the right answer?
The temperature of a cup of coffee is 85oc initially, and becomes 75°c after 1 min. estimate the tem...
Questions
Mathematics, 14.02.2020 03:09
Computers and Technology, 14.02.2020 03:10
Mathematics, 14.02.2020 03:10
Mathematics, 14.02.2020 03:10
Mathematics, 14.02.2020 03:11
Computers and Technology, 14.02.2020 03:11
Computers and Technology, 14.02.2020 03:11
