1. 3.1 Chin Up 1a The figure below shows a person's speed as he/she does one full chin-up. The motion is vertical and the mass of the person is $59.2 \mathrm{~kg}$. What is the magnitude of the force exerted by the chin-up bar on the person at the following times. Give your answers in $N$.

\[ t=0 \] Enter answer here Enter answer here $1 \mathrm{c} t=1.3$ Enter answer here \[ 1 d t=2 \] Enter answer here \[ 1 \mathrm{e} t=2.5 \]

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ULH0LE The First Answerer