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1. A sample in a centrifuge moves in a circle of radius 8 cm at a constant speed of 500 m/s. Calculate: (a) how much

1. A sample in a centrifuge moves in a circle of radius 8 cm at a constant speed of 500 m/s. Calculate: (a) how much time does it take for the velocity's direction to change by 45, (b) the magnitude of the acceleration during that time

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