Physics, 31.03.2021 22:20, Mickey2018
The word atom means "uncuttable" because we used to think that atoms were the smallest unit of matter. We now know this is not the case. Atoms can be broken down into three pieces called sub atomic particles. What are these 3 particles?
Answers: 3
Physics, 21.06.2019 22:30, nolandh7940
The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force
Answers: 1
Physics, 22.06.2019 14:40, sherlinejules1
You throw a small rock straight up from the edge of a highway bridge that crosses a river. the rock passes you on its way down, 7.00 s after it was thrown. what is the speed of the rock just before it reaches the water 28.0 m below the point where the rock left your hand? ignore air resistance.
Answers: 2
Physics, 22.06.2019 18:30, winterblanco
Jenny wants to test the electrical conductivity of two substances dissolved in water. she is preparing the containers for the experiment. which factor is most important for her to control? a) volumes of the solutions b) appearance of the solutions c) temperatures of the solutions d) concentrations of the solutions
Answers: 1
Physics, 22.06.2019 19:00, marxusalexander4069
Why do different substances have diffrent properties
Answers: 1
The word atom means "uncuttable" because we used to think that atoms were the smallest unit of matte...
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