![subject](/tpl/images/cats/fizika.png)
Physics, 11.01.2021 17:10 joooosshhhh
1. A sailor pulls a boat along a dock using a rope at an angle of 60.0º with the horizontal. How much work does the sailor do if he exerts a force of 255 N on the rope and pulls the boat 3.00 m?
W = FdcosO =255 x 3 x cos 60 =
2. An elephant pushes with 2000 N at an angle of 33o above the horizontal on a load of trees. It then pushes these trees for 150 m. How much work did the elephant do?
3. Hans Full is pulling on a rope to drag his backpack to school across the ice. He pulls upwards and rightwards with a force of 22.9 Newtons at an angle of 35o above the horizontal to drag his backpack a horizontal distance of 129 m. Determine the work done upon the backpack.
4. If 100 N force has 30o angle pulling on a 15 kg block for 5 m. What’s the work?
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Physics
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 12:40
Estimate the schwarzschild radius (in kilometers) for a mini-black hole formed when a superadvanced civilization decides to punish you (unfairly) by squeezing you until you become so small that you disappear inside your own event horizon. (assume that the your weight is 50 kg)
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 15:20
What component of earth’s atmosphere exists entirely as a result of photosynthesis?
Answers: 2
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 16:00
At what time will the interfering waves have an amplitudeof zero?
Answers: 1
You know the right answer?
1. A sailor pulls a boat along a dock using a rope at an angle of 60.0º with the horizontal. How muc...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 26.02.2020 17:04
![question](/tpl/images/cats/istoriya.png)
History, 26.02.2020 17:04
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 26.02.2020 17:04
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 26.02.2020 17:04
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 26.02.2020 17:04
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 26.02.2020 17:04
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 26.02.2020 17:04