Physics, 11.10.2019 16:00 areynaguzman100
Gamma-ray bursters emit pulses of gamma rays with high energies. the frequency of the most energetic pulses has been measured at around 3.0 x 1021 hz. what is the wavelength of these gamma rays?
Answers: 3
Another question on Physics
Physics, 21.06.2019 21:00
Mike walks 100 meter north, then walks 30 meters south. after this, he walks another 10 meters north. what is the magnitude of his total displacement during this walk,in meters?
Answers: 2
Physics, 21.06.2019 22:20
The place you get your hair cut has two nearly parallel mirrors 6.00 m apart. as you sit in the chair, your head is 2.00 m from the nearer mirror. looking toward this mirror, you first see your face and then, farther away, the back of your head. (the mirrors need to be slightly nonparallel for you to be able to see the back of your head, but you can treat them as parallel in this problem.) how far away does the back of your head appear to be?
Answers: 2
Physics, 22.06.2019 15:20
Acarpenter builds an exterior house wall with a layer of wood 2.9 cm thick on the outside and a layer of styrofoam insulation 2.3 cm thick on the inside wall surface. the wood has k=0.080w/(m⋅k), and the styrofoam has k= 0.010 w/(m⋅k). the interior surface temperature is 19.0 ∘c , and the exterior surface temperature is -15.0 ∘c . a.)what is the temperature at the plane where the wood meets the styrofoam? celsius b.)what is the rate of heat flow per square meter through this wall? /m^2
Answers: 2
Physics, 22.06.2019 18:30
Suppose you plot the distance traveled by an object at various times and you discover that the graph is not a straight line. what does this indicate about the object's acceleration?
Answers: 3
You know the right answer?
Gamma-ray bursters emit pulses of gamma rays with high energies. the frequency of the most energetic...
Questions
Mathematics, 22.06.2019 15:00
Chemistry, 22.06.2019 15:00
English, 22.06.2019 15:00
World Languages, 22.06.2019 15:00
Mathematics, 22.06.2019 15:00
