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A ball is thrown upward at 25 m/s from the ground. What is the maximum height of the ball?
Answers: 3
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You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?
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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
Physics, 23.06.2019 02:00
2) why do satelites not fall while revolving around the earth?
Answers: 1
A ball is thrown upward at 25 m/s from the ground. What is the maximum height of the ball?...
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