Mathematics, 21.04.2020 15:25 doversu14
The intensity I of light varies inversely as the square of the distance D from the source. If the intensity of illumination on a screen 56 ft from a light is 2.7 foot-candles, find the intensity on a screen 70 ft from the light.
Answers: 3
of light varies inversely as the square of the magnitude of distance D from the source.
=2.7 foot-candle, 
= 56 ft
=?, 
= 70 ft.
foot-candle
Another question on Mathematics
Mathematics, 21.06.2019 18:30
The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base
Answers: 1
Mathematics, 21.06.2019 21:30
The price of a dozen eggs was $1.63. suppose the price increases m dollars per dozen and then the price decreases $0.12 per dozen. which expression represents the current price of eggs after the two price changes?
Answers: 1
Mathematics, 21.06.2019 22:00
Identify the expression equivalent to 4(x + x + 7) − 2x + 8 − 4 by substituting x = 1 and x = 2.
Answers: 2
Mathematics, 21.06.2019 23:00
40 points. given: two congruent angles ∠c and ∠r are supplementary. prove: ∠r and ∠c are both right angles. it doesn't have to be exactly 10 rows.statements reasons1. 1. 2. 2. 3. 3. 4. 4. 5. 5. 6. 6. 7. 7. 8. 8. 9. 9. 10. 10.
Answers: 2
You know the right answer?
The intensity I of light varies inversely as the square of the distance D from the source. If the in...
Questions
Chemistry, 13.10.2020 02:01
Spanish, 13.10.2020 02:01
Mathematics, 13.10.2020 02:01
Mathematics, 13.10.2020 02:01
Social Studies, 13.10.2020 02:01
Mathematics, 13.10.2020 02:01
Biology, 13.10.2020 02:01
Chemistry, 13.10.2020 02:01
Geography, 13.10.2020 02:01
Mathematics, 13.10.2020 02:01
Business, 13.10.2020 02:01
Mathematics, 13.10.2020 02:01
