Physics, 06.11.2019 01:31 Kaysofine11icloudcom
2) two vehicles approach a right angle intersection and then collide. after the collision, they become entangled. if their mass ratios were 1: 4 and their respective speeds as they approached were both 13 m/s, find the magnitude and direction of the final velocity of the wreck.
Answers: 2
Physics, 22.06.2019 16:30
Place several e-field sensors at a few points on different equipotential lines, and look at the relationship between the electric field and the equipotential lines. which statement is true? 1-at any point, the electric field is perpendicular to the equipotential line at that point, and it is directed toward lines of higher voltages. 2-at any point, the electric field is perpendicular to the equipotential line at that point, and it is directed toward lines of lower voltages. 3-at any point, the electric field is parallel to the equipotential line at that point.
Answers: 1
Physics, 22.06.2019 19:20
Which best describes the difference between internal and thermal energy?
Answers: 1
Physics, 22.06.2019 22:50
The illuminance of a surface varies inversely with the square of its distance from the light source. if the illuminance of a surface is 120 lumens per square meter when its distance from a certain light source is 6 meters, by how many meters should the distance of the surface from the source be increased to reduce its illuminance to 30 lumens per square meter?
Answers: 3
2) two vehicles approach a right angle intersection and then collide. after the collision, they beco...
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