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1. A pyramid was built with approximately 2.4 million stone blocks, each weighing 1.4 tons (1 ton = 2,000 lbm). Find the mass of the

1. A pyramid was built with approximately 2.4 million stone blocks, each weighing 1.4 tons (1 ton = 2,000 lbm). Find the mass of the pyramid in kg.
2. A ball is tied to the end of a cable of negligible mass. The ball is spun in a circle with a radius 2.00 m making 7.00 revolutions every 10.0 seconds. What is the magnitude of the acceleration of the ball?

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