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Time Expressions List In, On, At - Grammar Simple | Writing words, English writing skills, Writing skills
![Figure shows x t graph of a particle. Find the time t such that the average velocity of the particle during the period O to t is zero. Figure shows x t graph of a particle. Find the time t such that the average velocity of the particle during the period O to t is zero.](https://search-static.byjusweb.com/question-images/byjus/infinitestudent-images/ckeditor_assets/pictures/220035/content_e_11.png)
Figure shows x t graph of a particle. Find the time t such that the average velocity of the particle during the period O to t is zero.
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Physical activity and screen time of children and adolescents before and during the COVID-19 lockdown in Germany: a natural experiment | Scientific Reports
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