Physics, 27.11.2019 03:31 themaster66644
An empty rubber balloon has a mass of 12.5 g. the balloon is filled with helium at a density of 0.181 kg/m3. at this density the balloon has a radius of 0.498 m. if the filled balloon is fastened to a vertical line, what is the tension in the line? the density of air is 1.29 kg/m3.
Answers: 2
Physics, 21.06.2019 18:20
An input force of 7 n is applied to a machine with a mechanical advantage of 1.75. what is the maximum the machine could lift? 12.25 n7n7.25 n26.2 n
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Formulating a hypothesis: part i since the investigative question has two variables, you need to focus on each one separately. thinking only about the first part of the question, mass, what might be a hypothesis that would illustrate the relationship between mass and kinetic energy? use the format of " because when writing your hypothesis
Answers: 1
An empty rubber balloon has a mass of 12.5 g. the balloon is filled with helium at a density of 0.18...
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