Physics, 10.12.2021 09:40 johnmarston60
A 15 mm tall object is placed 20 cm in front of a concave spherical mirror of focal length f. The image produced by the mirror is upright and is 45 mm tall. The value of f is
Answers: 1
Physics, 21.06.2019 22:50
Moon effect. some people believe that the moon controls their activities. if the moon moves from being directly on the opposite side of earth from you to being directly overhead, by what percentage does (a) the moon's gravitational pull on you increase and (b) your weight (as measured on a scale) decrease? assume that the earth–moon (center-to-center) distance is 3.82 × 10^8 m, earth's radius is 6.37 × 10^6 m, moon's mass is 7.36 × 10^22 kg, and earth's mass is 5.98 × 10^24 kg.
Answers: 2
Physics, 22.06.2019 05:30
Suppose you have three polarizing filters, with the second at an angle of 42∘ to the first and the third at an angle of 90∘ to the first. by what perfect will the original intensity of unpolarized light be reduced to after passing through all three filters?
Answers: 2
Physics, 22.06.2019 11:00
Although longitudinal waves can travel through all media types what is the disadvantage of this type of wave transmission? a) he efficiency of he wave transmission is greatly diminished as the media becomes less dense b) the oscillation of one set of particles has a huge impact on neighboring particles c) particles become too close together as they bump into each other making it more likely to hit other particles down the line
Answers: 2
Physics, 22.06.2019 21:00
The velocity of a car traveling in a straight line increases from 0 meters/second to 30meters/second in 8 seconds. what is the average acceleration of the car?
Answers: 1
A 15 mm tall object is placed 20 cm in front of a concave spherical mirror of focal length f. The im...
English, 12.07.2021 22:20
Mathematics, 12.07.2021 22:20
Mathematics, 12.07.2021 22:20
Social Studies, 12.07.2021 22:20
Computers and Technology, 12.07.2021 22:20
Mathematics, 12.07.2021 22:20
English, 12.07.2021 22:20
Mathematics, 12.07.2021 22:20
Business, 12.07.2021 22:20