Physics, 25.03.2020 20:33 dkckdkcekkxgmaipcom
A child twirls his yo-yo horizontally about his head rather than using it properly. The yo-yo has a mass of 0.200 kg and is attached to a string 0.800 m long. If the yo-yo makes a complete revolution each second, what centripetal force is exerted?
Answers: 3
Physics, 22.06.2019 18:30
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
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Physics, 23.06.2019 09:50
How much heat is needed to raise the temperature of 5g of water by 16°c?
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Physics, 23.06.2019 13:00
Ab+c --> ac+b is the general equation for which one of the following types of chemical reactions? a.) combination b.) single-displacement c.) decomposition d.) double-displacement
Answers: 1
A child twirls his yo-yo horizontally about his head rather than using it properly. The yo-yo has a...
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