Physics, 13.07.2019 18:00 sydneyharding36191
The half-line of a radioisotope is the amount of time it takes for ? a. the age of an artifact to be calculated. b. half the sample to decay. c. detectable radiation to be absorbed by a sample. d. all the sample to decay
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Physics, 22.06.2019 18:30
Arailroad car collides with and sticks to an identical railroad car that is initially at rest. after the collision, the total kinetic energy of the two cars is a) the same as before. b) half as much as before. c) one third as much as before. d) one fourth as much as before. e) twice as much as before.
Answers: 1
Physics, 22.06.2019 18:30
Adolphin emits ultrasound at 100khz and uses the timing of reflections to determine the position of objects in the water. part a what is the wavelength of this ultrasound? assume that temperature of water is 20 degrees c. answer in cm
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Physics, 22.06.2019 18:30
In the united states, tornadoes generally occur because of the freezing of ocean water underwater earthquakes meeting of cool and warm air masses shifting of warm and cool ocean currents
Answers: 1
The half-line of a radioisotope is the amount of time it takes for ? a. the age of an artifact to...
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