Physics, 25.06.2019 17:30, wolffee895
Color surface temperature range red < 3,500 k yellow 3,500 - 7,500 k blue 10,000 - 60,000 k the chart above shows how a star's temperature relates to its color. rigel is a blue star, betelgeuse is a red star, and the sun is a yellow star. how do the temperatures of these stars compare? a. the three stars have different colors but the same temperature. b. the sun is hotter than betelgeuse and cooler than rigel. c. betelgeuse is hotter than the sun and cooler than rigel. d. rigel is hotter than betelgeuse and cooler than the sun.
Answers: 3
Physics, 22.06.2019 06:00, 19thomasar
Juan created a chart to him study for a test. which headings best complete the chart? x: transparent objects y: opaque objects x: opaque objects y: transparent objects x: high frequency waves y: low frequency waves x: low frequency waves y: high frequency waves
Answers: 3
Physics, 22.06.2019 14:40, akitchen10
A5 foot by 5 foot box culvert is buried 6 feet beneath the surface of the ground. a crosssection of this very long culvert (into and out of the page) is illustrated below. assume that the soil in which the culvert is buried has the following properties: jt = 120 pcf, w = 12%, ko = 0.50, ka = 0.33, and kp = 3.00. calculate the total horizontal force per unit length of culvert (fh) felt on one of the vertical faces of the culvert.
Answers: 1
Physics, 22.06.2019 23:10, KOAL
An ascending elevator, hanging from a cable, is coming to a stop. part a part complete identify all forces acting on the elevator from the list below. select all that apply. select all that apply. kinetic friction normal force tension weight static friction submitprevious answers correct part b draw a free-body diagram of the object. draw the vectors starting at the black dot. the location and orientation of the vectors will be graded. the exact length of your vectors will not be graded but the relative length of one to the other will be graded.
Answers: 3
Color surface temperature range red < 3,500 k yellow 3,500 - 7,500 k blue 10,000 - 60,000 k the...
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