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Physics, 21.06.2019 15:30
What defines the mass number of an isotope? a. the sum of the neutrons and protons b. the sum of the neutrons and electrons c. the number of neutrons d. the number of protons
Answers: 1
Physics, 22.06.2019 13:40
Which of the following is not a transverse wave? a) soundb) lightc) radiod) all of thesee) none of these
Answers: 1
Physics, 23.06.2019 01:10
The path of a satellite orbiting the earth causes it to pass directly over two tracking stations a and b, which are 51 miles apart. when the satellite is on one side of the two stations, the angles of elevation at a and b are measured to be 87 degrees and 84 degrees, respectively. (a) how far is the satellite from station a? (b) how high is the satellite above the ground?
Answers: 3
Physics, 23.06.2019 04:00
Robin is swinging back and forth from a trapeze. in which of the following situations is his kinetic energy being transformed into potential energy
Answers: 2
What fraction of 5 MeV α particles will be scattered through angles greater than 8.5° from a gold fo...
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