![subject](/tpl/images/cats/fizika.png)
Physics, 12.01.2021 17:00 julialombardo53
7) How much work does an elevator motor do in lifting a 300. kg
elevator (at constant speed) up 16.5 m with 500.0 kg in the
elevator? W
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Physics
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 13:30
6–43 a food department is kept at 2128c by a refrigerator in an environment at 308c. the total heat gain to the food department is estimated to be 3300 kj/h and the heat rejection in the condenser is 4800 kj/h. determine the power input to the compressor, in kw and the cop of the refrigerator.
Answers: 2
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 15:50
An object with initial temperature 130 ∘ f is submerged in large tank of water whose temperature is 50 ∘ f . find a formula for f ( t ) , the temperature of the object after t minutes, if the cooling constant is k = − 0.2 . remember newton's law of cooling (the rate of change of temperature with respect to time is equal to k times the difference between the temperature of the object and the surrounding temperature) ! : )
Answers: 1
You know the right answer?
7) How much work does an elevator motor do in lifting a 300. kg
elevator (at constant speed) up 16....
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.05.2021 03:00
![question](/tpl/images/cats/mat.png)
Mathematics, 22.05.2021 03:00
![question](/tpl/images/cats/en.png)
English, 22.05.2021 03:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 22.05.2021 03:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.05.2021 03:00
![question](/tpl/images/cats/en.png)
English, 22.05.2021 03:00
![question](/tpl/images/cats/istoriya.png)
History, 22.05.2021 03:00
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/health.png)
Health, 22.05.2021 03:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.05.2021 03:00
![question](/tpl/images/cats/ekonomika.png)