Physics, 20.08.2019 18:10 johnsonwhitney2
At what distance will a 45 w lightbulb have the same apparent brightness as a 130 w bulb viewed from a distance of 35 m ? (assume that both bulbs convert electrical power to light with the same efficiency, and radiate light uniformly in all directions.)
Answers: 1
Physics, 22.06.2019 02:00
The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e
Answers: 3
Physics, 22.06.2019 09:30
Suppose you increase your walking speed from 7 m/s to 13 m/s in a period of 2 s. what is your acceleration?
Answers: 2
Physics, 22.06.2019 14:00
An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.
Answers: 1
At what distance will a 45 w lightbulb have the same apparent brightness as a 130 w bulb viewed from...
Biology, 26.10.2019 04:43
English, 26.10.2019 04:43
Biology, 26.10.2019 04:43
English, 26.10.2019 04:43
English, 26.10.2019 04:43
Arts, 26.10.2019 04:43
Mathematics, 26.10.2019 04:43
Mathematics, 26.10.2019 04:43
English, 26.10.2019 04:43
English, 26.10.2019 04:43