A boy of mass 60 kg walks vertically up a 5m ladder in 3 seconds.
Calculate the power of the bo...
![subject](/tpl/images/cats/fizika.png)
Physics, 25.05.2020 17:57 jjjoooorrrrddddaannn
A boy of mass 60 kg walks vertically up a 5m ladder in 3 seconds.
Calculate the power of the boy.
1000 W
600 N
3000 J
1200 W
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Physics
![question](/tpl/images/cats/fizika.png)
Physics, 21.06.2019 23:30
The velocity of car is 80.0 miles per hour. what is the velocity of car in meters per second? (1 km -0.621 miles) m/s
Answers: 2
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 13:40
An ideal otto cycle has a compression ratio of 10.5, takes in air at 90 kpa and 40Ā°c, and is repeated 2500 times per minute. using constant specific heats at room temperature, determine the thermal efficiency of this cycle and the rate of heat input if the cycle is to produce 90 kw of power.
Answers: 2
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 16:20
Which best describes what forms in nuclear fission? a. two smaller, more stable nucleib. two larger, less stable nucleic. one smaller, less stable nucleusd. one larger, more stable nucleus
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 16:20
Specific heat refers to the amount of heat required to change 1 gram of a substance by degree(s) celsius
Answers: 1
You know the right answer?
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 20.05.2021 17:20
![question](/tpl/images/cats/mat.png)
Mathematics, 20.05.2021 17:20
![question](/tpl/images/cats/himiya.png)
Chemistry, 20.05.2021 17:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 20.05.2021 17:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/health.png)
Health, 20.05.2021 17:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 20.05.2021 17:20
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 20.05.2021 17:20
![question](/tpl/images/cats/mat.png)
Mathematics, 20.05.2021 17:20
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 20.05.2021 17:20
![question](/tpl/images/cats/mat.png)
Mathematics, 20.05.2021 17:20