Chemistry, 26.07.2019 00:30 22nathanieltimms
Science questions 1) which of the following waves is the longest? a.) x rays b.) gamma rays c.) fm d) am e.) microwaves 2) which of the following waves is the shortest? a.) x rays b.) gamma rays c.) fm d.) am e.) microwaves 3) light waves travel fastest through which type of medium? a.) solid b.) liquid c.) gas d.) air e.) space 4) the top of the wave is called the a.) trough b.) crest c.) wavelength d.) frequency e.) velocity 5) the bottom of a wave is called the a.) trough b.) crest c.) wavelength d.) frequency e.) velocity 6) the number of waves that pass a point in a second is the a.) trough b.) crest c.) wavelength d.) frequency e.) velocity 7) the distance between two crests is called a.) trough b.) crest c.) wavelength d.) frequency e.) velocity 8) determine the frequency of a wave if twenty-one waves pass an established point in three seconds.(divide 21 waves by 3 seconds to get the answer) 9) any type of motion in our lives and in our environment involves kinetic energy. true false 10) the electromagnetic spectrum classifies waves based on their wavelength and frequency. true false 11) the electromagnetic spectrum classifies waves from longest wavelength to shortest wavelength. true false
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Chemistry, 22.06.2019 04:30
In which phase(s) do the molecules take the shape of the container?
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Chemistry, 22.06.2019 13:00
One of the hopes for solving the world's energy problem is to make use of the fusion reaction 21h +31h --> 42he + 10n + energy how much energy is released when 1 mol of deuterium is fused with 1 mol of tritium according to the above reaction? the masses of the atoms and the neutrons are as follows: 21h = 2.0140 amu 31h = 3.01605 amu 42he = 4.002603 amu 10n = 1.008665 amu. the speed of light is 2.9979 x 108 m/s.
Answers: 1
Chemistry, 22.06.2019 18:00
To apply in a gold the individual gold atoms are united to each other by means of a metallic bond. how would you use the gold block to determine the atomic radius of a gold atom?
Answers: 3
Chemistry, 22.06.2019 18:40
What is the binding energy of a nucleus that has a mass defect of 5.81*10-^29 kg a 5.23*10-^12 j b 3.15* 10^12 j c 1.57*10-3 j d 9.44*10^20 j
Answers: 1
Science questions 1) which of the following waves is the longest? a.) x rays b.) gamma rays c.) fm...
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