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Which statement gives you enough information to say that the atom is electrically neutral? A. The atom has 19 electrons and 19 neutrons. B. The atom has 4 neutrons and 4 protons. C. The atom has 7 protons and 7 electrons. D. The atom has 15 neutrons and 15 electrons.
The atom has 7 protons and 7 electrons is a statement that gives you enough information to say that the atom is electrically neutral.
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Asked 7/13/2019 8:25:44 AM
Updated 6/5/2020 8:55:25 PM
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The atom has 7 protons and 7 electrons is a statement that gives you enough information to say that the atom is electrically neutral.
Added 6/5/2020 8:55:25 PM
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In a practical machine, the power output is less than the power input. Some of the energy is used to combat friction and thus is transformed from mechanical energy to heat can explain this occurrence.
Added 7/28/2020 5:26:27 PM
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If a tank filled with water contains a block, and the height of the water above point A within the block is 0.6 meters, what's the pressure at point A?
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Updated 4/11/2021 11:19:00 PM
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If a tank filled with water contains a block and the height of the water above point A within the block is 0.6 meter, the pressure at point is 5.88kPa

p= 1000 kg/m3*9.8 m/s2*0.6m = 5.88kPa.
Added 4/11/2021 11:19:00 PM
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Which of the following is true regarding the properties of light? A. Light has a dual nature and acts like both a wave and a particle. B. Light can travel only in a straight line. C. Light needs a medium to propagate through a vacuum. D. Light doesn't display interference or diffraction.
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Updated 9/29/2021 1:57:46 PM
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Your boss asks you to adjust the temperature so that a sound wave travels more quickly through the air. You increase the temperature from 30 degrees to 36 degrees. Velocity of sound in air = 331.5 m/s + 0.59 m/s*°C times (the new temperature) v = 331.5 + 0.59 * 36 v= 352.6 Hz.
Added 9/29/2021 1:57:46 PM
This answer has been confirmed as correct and helpful.
Your boss asks you to adjust the temperature so that a sound wave travels more quickly through the air. You increase the temperature from 30°C to 36°C. What's the velocity of the sound wave at this new temperature? A. 350.0 Hz B. 335.6 Hz C. 352.6 Hz D. 344.0 Hz
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Updated 10/2/2021 3:48:24 PM
1 Answer/Comment
Your boss asks you to adjust the temperature so that a sound wave travels more quickly through the air. You increase the temperature from 30 degrees to 36 degrees. Velocity of sound in air = 331.5 m/s + 0.59 m/s*°C times (the new temperature) v = 331.5 + 0.59 * 36 v= 352.6 Hz.
Added 10/2/2021 3:48:24 PM
This answer has been confirmed as correct and helpful.
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