Physics, 02.12.2020 01:00 donuteatingcat
A rock is projected from the edge of the top of a building with an initial velocity of 20 m/s at an angle of 30° above the horizontal. The rock strikes the ground a horizontal distance of 5 m from the base of the building. Assume that the ground is level and that the side of the building is vertical. How tall is the building?
Answers: 2
Physics, 22.06.2019 05:10
A26 cm object is 18 cm in front of a plane mirror. a ray of light strikes the object and is reflected off the mirror at a 42-degree angle. what is the angle of reflection? degrees what type of image is formed? what is the size of the image? cm
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Physics, 22.06.2019 08:50
The experiment was repeated many years later but the gases were mixed in a different type of container. a white solid was obtained which was xenon fluoride. predict whether you think 1) krypton and 2) radon will react with fluorine. explain reasons for your predictions
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One form of energy can be another type of energy. a. created to form b. transformed into c. destroyed and then created to form
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Physics, 22.06.2019 10:00
Aria drove to the store, did some shopping, and then came home. during maria's trip, when was her displacement equal to zero?
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A rock is projected from the edge of the top of a building with an initial velocity of 20 m/s at an...
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