![subject](/tpl/images/cats/fizika.png)
Score for Question 1: Click or tap here to enter text. of 10 points)
1.A sailboat moves north for a distance of 20.0 km when blown by a wind from the exact southwest with a force of 3.50 x 10^4 N. The sailboat travels the distance in 2.5 h.
a) How much work was done by the wind?
b) What was the wind’s power?
Your response should include all of your work and a free-body diagram.
2, 2. A worker applies 170 N of force on a lever to lift a 1250 N crate 0.10 m.
a) If the lever is 100% efficient, how far does he need to push his side?
Your response should include all of your work.
2. A worker applies 170 N of force on a lever to lift a 1250 N crate 0.10 m.
a) If the lever is 100% efficient, how far does he need to push his side?
Your response should include all of your work.
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/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 17:20
Which of the following quantities are units of momentum? (there could be more than one correct choice.) a)n m b) kg s/m c) kg m/'s d)n-s 12 points] e) kg m2/s2
Answers: 2
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 03:40
Which types of electromagnetic waves have higher frequencies than the waves that make up ultraviolet light? check all that apply. radio waves infrared light microwaves gamma rays visible light x-rays
Answers: 2
![question](/tpl/images/cats/fizika.png)
You know the right answer?
Score for Question 1: Click or tap here to enter text. of 10 points)
1.A sailboat moves north for a...
Questions
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
English, 10.09.2019 07:20
![question](/tpl/images/cats/mat.png)
Mathematics, 10.09.2019 07:20
![question](/tpl/images/cats/mat.png)
Mathematics, 10.09.2019 07:20
![question](/tpl/images/cats/mat.png)
Mathematics, 10.09.2019 07:20
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/ekonomika.png)
Business, 10.09.2019 07:20
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 10.09.2019 07:20
![question](/tpl/images/cats/fizika.png)
Physics, 10.09.2019 07:20
![question](/tpl/images/cats/en.png)
English, 10.09.2019 07:20
![question](/tpl/images/cats/fizika.png)
Physics, 10.09.2019 07:20
![question](/tpl/images/cats/mat.png)
Mathematics, 10.09.2019 07:20
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 10.09.2019 07:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 10.09.2019 07:20