Physics, 26.07.2019 19:30 JayceMeyers06
Aradioactive isotope has a half-life of ten days. how much of a 100-gram sample will be left after 20 days? a) 12.5 grams b) 25.0 grams c) 50.0 grams d) 100.0 grams
Answers: 2
Physics, 21.06.2019 20:00
How much force must a locomotive exert on a 12840-kg boxcar to make it accelerate forward at 0.490 m/s2?
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Physics, 22.06.2019 09:30
Astone is dropped from a cliff and falls 9.44 meters. what is the speed of the stone when it reaches the ground? a. 13.6 m/sec b. 1.39 m/sec c. 185 m/sec d. 9.80 m/sec
Answers: 3
Physics, 22.06.2019 14:10
Match these items. 1. coulombs __force 2. ohms __emf 3. centimeters __resistance 4. newtons __charge 5. volts __length
Answers: 1
Aradioactive isotope has a half-life of ten days. how much of a 100-gram sample will be left after 2...
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