![subject](/tpl/images/cats/fizika.png)
Physics, 17.06.2020 19:57 Andrebutrus
You are the coordinator for a program that is going to take place at night in a rectangular amphitheater in the mountains. You will have no access to any electricity, but you must be able to illuminate the entire grounds. You know the intensity of the light from a lantern varies inversely as the square of the distance from the lantern. Suppose the intensity is 90 when the distance is 5 m. a. Write an equation to model the situation. b. Solve for the constant of variation. c. Write the equation to model the situation using the constant () of variation. d. You have been given lanterns with 40 light intensity. Use your equation to solve for the distance from the lantern. e. You need to illuminate 225 km. How many meters do you need to light? f. How many lanterns will you need?
![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, 22.06.2019 10:30
In automobile steering wheel is shown what is the ideal mechanical advantage blank? if the ama is eight what is the efficiency of the steering wheel?
Answers: 1
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 12:30
Brades exam guidelines exam instructions billing & payments & support question 6 of 20 : select the best answer for the question use this illustration to answer the question below. forms & resources al programs 9 ww linics 6. in the circuit shown in the figure above, suppose that the value of r, is 100k, and the value of r2 is 470 kq. at which of the following locations in the circuit would you measure the highest voltage with your meter? rvices 999999 a. between points b and c b. between points a and b c. between points b and e d. between points a and c eredu mark for review (will be highlighted on the review page) mend < < previous question next question
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 21:10
Which of the following is a measure of the amount of light a star directly emits? a. luminosity b. intensity c. wavelength d. brightness
Answers: 2
You know the right answer?
You are the coordinator for a program that is going to take place at night in a rectangular amphithe...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 17.07.2019 17:00
![question](/tpl/images/cats/istoriya.png)
History, 17.07.2019 17:00
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mir.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 17.07.2019 17:00
![question](/tpl/images/cats/health.png)
Health, 17.07.2019 17:00
![question](/tpl/images/cats/himiya.png)
Chemistry, 17.07.2019 17:00
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 17.07.2019 17:00
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 17.07.2019 17:00
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/biologiya.png)