Physics, 13.08.2021 09:10 mattstudy305
¾ of a sample of radioactive element has decayed after a period of 36 hours. What is the half-life of the element?
Answers: 2
Physics, 21.06.2019 23:30
Truck traveling west on the highway experiences an acceleration to the east. what could be the cause of this acceleration
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Physics, 22.06.2019 01:30
Which explanation describes the forces involved for a person to walk down the sidewalk? a. the person's feet push backward on the sidewalk; the sidewalk pushes backward on the person. b. the person's feet push forward on the sidewalk; the sidewalk does not push on the person. c. the person's feet push backward on the sidewalk; the sidewalk pushes forward on the person. d. the person's feet push forward on the sidewalk; the sidewalk pushes forward on the person.
Answers: 1
Physics, 22.06.2019 02:40
What happens when chlorine reacts with bromine? a. electrons move from the chlorine atoms to the bromine atoms. b. electrons move from the bromine atoms to the chlorine atoms. c. electrons are shared between the chlorine atoms and the bromine atoms. d. electrons become delocalized among the atoms.
Answers: 2
Physics, 22.06.2019 04:30
Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.
Answers: 1
¾ of a sample of radioactive element has decayed after a period of 36 hours. What is the half-life o...
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