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drJon
Questions (4)
The object weighing 20 N is hung on the bottom of the spiral spring , so that stretch as far as 9.8 cm after a state of balance
0 answers
599 views
The object weighing 20 N is hung on the bottom of the spiral spring , so that stretch as far as 9.8 cm after a state of balance
1 answer
522 views
Iron wreck temperature 30 oC fed into the electric furnace , 20 minutes later the temperature to 150 ° C . when the casting
1 answer
494 views
When the half-life of uranium U232 92 for 74 years . What is the percentage remaining after 10 years ?
1 answer
541 views
