Physics, 26.06.2019 16:30 NerdyJason
1. if the atomic number is 25, how many protons does it have? 2. if the atomic mass is 55 (rounded) and mass=protons+neutrons, how many neutrons does it have?
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If two parallel light rays hit a mirror, they will not be parallel to each other after they reflect.
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If the work required to stretch a spring 3 ft beyond its natural length is 15 ft-lb, how much work is needed to stretch it 27 in. beyond its natural length?
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The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is as it changes into other forms of energy.
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1. if the atomic number is 25, how many protons does it have? 2. if the atomic mass is 55 (rounded...
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