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Table 1 shows the student's count-rate measurements for the sample.
Table 1
Time (minutes)
0
30
60
90
120
150
180
210
Count-rate (cps)
160
120
80
60
40
30
20
15
2.4
Use Table 1 to determine the half life of bismuth-212.

Kate is working on a project in her tech education class. she plans to assemble a fan motor. which form of energy does the motor convert most of its electric energy into? a. light energy b. motion energy c. sound energy d. thermal energy

You have a resistor and a capacitor of unknown values. first, you charge the capacitor and discharge it through the resistor. by monitoring the capacitor voltage on an oscilloscope, you see that the voltage decays to half its initial value in 2.70 miss . you then use the resistor and capacitor to make a low-pass filter. what is the crossover frequency fc?

What organization and environment is described above?