![answer](/tpl/images/cats/otvet.png)
Answers: 1
Other questions on the subject: Physics
![image](/tpl/images/cats/fizika.png)
![image](/tpl/images/cats/fizika.png)
Physics, 23.06.2019 03:00, SGARCIA25
The stopwatch used by a student to measure velocity of a pulse in a slinky was of least count 0.1 second. he stops the stopwatch when a pulse has made 3 journeys from one end to the other of the slinky. he finds the seconds hand to be at 52nd division. calculate the correct time noted by him.
Answers: 3
![image](/tpl/images/cats/fizika.png)
![image](/tpl/images/cats/fizika.png)
Physics, 23.06.2019 08:00, edjiejwi
Athin electrical heater is inserted between a long circular rod and a concentric tube with inner and outer radii of 20 and 40 mm. the rod (a) has a thermal conductivity of ka = 0.15 w/(m*k), while the tube (b) has a thermal conductivity of kb = 0.8 w/(m*k) and its outer surface is subjected to convection with a fluid of temperature t= -15°c and heat transfer coefficient 60 w/(m2 *k). the thermal contact resistance between the cylinder surfaces and the heater is negligible. (a) determine the electrical power per unit length of the cylinders (w/m) that is required to maintain the outer surface of cylinder b at 15°c. (b) what is the temperature at the center of cylinder a?
Answers: 2
Do you know the correct answer?
Ithrow a ball upward at 40 m/s what is the acceleration...
Questions in other subjects:
![Konu](/tpl/images/cats/mat.png)
Mathematics, 06.07.2019 03:00
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/biologiya.png)
Biology, 06.07.2019 03:00
![Konu](/tpl/images/cats/geografiya.png)
![Konu](/tpl/images/cats/himiya.png)
Chemistry, 06.07.2019 03:00
![Konu](/tpl/images/cats/geografiya.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 06.07.2019 03:00
![Konu](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 06.07.2019 03:00
![Konu](/tpl/images/cats/obshestvoznanie.png)