Determine the number of bromine molecules present in flask
A flask contains 0.320mol of liquid bromine, Br2. Determine the number of bromine molecules present in the flask. Express your answer numerically in molecules.
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A simple pendulum has lenght of 2.0m and mass of 0.5kg.It is hanging from the room of a car that is traveling at 5m/s and banking a corner of radius 15m. Calculate the time period of oscillation for the pendulum.
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While rearranging a dorm room, a student does 224 J of work moving a desk 2.5 m. What was the magnitude of the applied horizontal force?
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