A. Green light shines through a 100mm-diameter hole and is observed on a screen. If the hole diameter is increased by 20%, does the circular spot of light on the screen decrease in diameter, increase in diameter, or stay the same? Explain. b. Green light shines through a 100-μ m-diameter hole and is observed on a screen. If the hole diameter is increased by 20%, does the circular spot of light on the screen decrease in diameter, increase in diameter, or stay the same? Explain.
Answers: 2
Physics, 21.06.2019 20:00
How much force must a locomotive exert on a 12840-kg boxcar to make it accelerate forward at 0.490 m/s2?
Answers: 1
Physics, 22.06.2019 14:00
Why is rain likely when warm, moisture-laden air meets cold air? a) the lighter warm air will rise and cool down, causing condensation and rain. b) the cold air moves faster and pushes the warm air away, causing condensation and rain. c) the moisture in the warm air condenses on contact with the cold air, causing rain to fall. d) the cold air mixes with the warm air, reducing its temperature causing moisture to condense.
Answers: 1
Physics, 22.06.2019 14:30
What is the relationship between the direction of motion of the balloon and the wind currents
Answers: 1
Physics, 22.06.2019 20:30
Acold front traveling southeast collided with a warm front traveling northwest the following map shows the weather on monday the day the two fronts collided which of these describes the weather forecast for mississippi on tuesday and wednesday
Answers: 2
A. Green light shines through a 100mm-diameter hole and is observed on a screen. If the hole diamete...
Mathematics, 20.05.2020 01:00
History, 20.05.2020 01:00
Health, 20.05.2020 01:00
Mathematics, 20.05.2020 01:00
Health, 20.05.2020 01:00
History, 20.05.2020 01:00
Mathematics, 20.05.2020 01:00
Mathematics, 20.05.2020 01:00
History, 20.05.2020 01:00
Mathematics, 20.05.2020 01:00
History, 20.05.2020 01:00