Physics, 26.11.2019 18:31 Theresab2021
Old-fashioned pendulum clocks are powered by masses that need to be wound back to the top of the clock about once a week to counteract energy lost due to friction and to the chimes. one particular clock has three masses: 4.0 kg, 4.0 kg, and 6.0 kg. they can drop 1.3 meters. how much energy does the clock use in a week?
Answers: 2
Physics, 22.06.2019 19:30, emma8292
Because atoms of elements in the same group of thbecause atoms of elements in the same group of the periodic table have the same number of neutrons, they have similar properties. select the best answer from the choices provided t fe periodic table have the same number of neutrons, they have similar properties. select the best answer from the choices provided t f
Answers: 1
Physics, 23.06.2019 00:50, brysonsandridge69041
Which sentences describe point source pollution? in this type of pollution, the source of the pollution is single and easily identifiable. when runoff water from the melting of snow mixes with debris, it creates pollution. the runoff water, mixed with pollutants, reaches large areas with disastrous effects. alternatively, when a wastewater treatment plant releases harmful chemicals into a stream, the chemicals pollute the stream water because they are not treated for safety.
Answers: 2
Physics, 23.06.2019 02:30, Juliianatafur22
Auniform solid cylinder with a radius of 10 cm and a mass of 3.0 kg is rotating about its center with an angular speed of 33.4 rpm. what is its kinetic energy?
Answers: 2
Physics, 23.06.2019 14:00, kenisonpaigebosma
What is the difference between a solar cell and a solar panels
Answers: 1
Old-fashioned pendulum clocks are powered by masses that need to be wound back to the top of the clo...
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