Physics, 05.05.2020 07:05 kingdrew27
Workshop:The analysis of a simple pendulum assumed that the mass was a particle, with no size. A realistic pendulum is a small, uniform diskof massMand radiusRat the end of a massless string, withLbeing the distance from the pivot to the center of the sphere. Find an expression for the period of this pendulum. SupposeM
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Physics, 22.06.2019 12:00
What is the weight of a feather (mass = 0.0001 kg) that floats through earth's and the moon's atmospheres?
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Physics, 23.06.2019 07:50
In a particular chemical reaction, the energy of the reactants is 30 kj and the energy of the products is 5 kj. β¨ the maximum energy of the system is 40 kj. sketch a potential energy diagram for this reaction. make sure to label the energy of the reactants, the energy of the products, the activation energy, and the enthalpy change for the reaction.
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Physics, 23.06.2019 11:30
Ethical, legislative, social initiative is the agency responsible for
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Physics, 23.06.2019 16:00
When a charged balloon sticks to a wall, the downward gravitational force is balanced by an upward static friction force. the normal force is provided by the electrical attraction between the charged balloon and the equal but oppositely charged polarization induced in the wall's molecules. if the mass of a balloon is 1.2 g, its coefficient of static friction with the wall is 0.71, and the average distance between the opposite charges is 0.80 mm, what minimum amount of charge must be placed on the balloon in order for it to stick to the wall? express your answer to two significant figures and include appropriate units.
Answers: 1
Workshop:The analysis of a simple pendulum assumed that the mass was a particle, with no size. A rea...
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