agarcia2002
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gcse physics unofficial markscheme, post any answers u got here
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allannahpa
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1. detect the distance between the water surface and seabed/ build up an image of inside the body e.g. pregnancy
2. detect where an earthquake was/ find information on the layers of the earth and their states of matter
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agarcia2002
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(Original post by agarcia2002)
gcse physics unofficial markscheme, post any answers u got here
question about sonar impulses + depth of water u had to multiply 14 by 2 to get the distance then use formula , I got something like 0.0175 seconds. For the nuclear equation the mass number stayed the same and the atomic number increased by 1, count rate Q u had to take several background radiation readings & then take the readings with each rock and minus the background radiation.
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czardasz
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what did everyone put for the force for the satellite, i put centripetal as that's what keeps it in a circular motion
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