please I need help with that question ..... ## The activity (or decay rate) A of a certain unknown radioactive sample was measured over a period of 7 days using a Geigercounter and the following data was obtained:t(days) A (decays per minute)234119215712941068771759a) [2] Draw a graph of activity A versus time t.b) [2] Using the graph, estimate the half-life of the sample. Please explain your reasoning.c) [2] Hence, predict the activity of the sample after 15 days.2.

The activity (or decay rate) A of a certain unknown radioactive sample was measured over a period of 7 days using a Geiger counter and the following data was obtained: t (days) A (decays per minute) 234 1 192 2 157 129 4 106 87 71 7 59 a) [2] Draw a graph of activity A versus time t. b) [2] Using the graph, estimate the half-life of the sample. Please explain your reasoning. c) [21 Hence predict the activity of the sample after 15 days

The activity (or decay rate) A of a certain unknown radioactive sample was measured over a period of 7 days using a Geiger counter and the following data was obtained: t (days) A (decays per minute) 234 1 192 2 157 129 4 106 87 71 7 59 a) [2] Draw a graph of activity A versus time t. b) [2] Using the graph, estimate the half-life of the sample. Please explain your reasoning. c) [21 Hence predict the activity of the sample after 15 days

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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