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Q1. A weight (with a mass of 90 kg) is suspended from the point near the right-hand end of a uniform boom with a mass of 71kg. To support the uniform boom a cable runs from this same point to a wall (the left-hand vertical coordinate) and by a pivot on the same wall at an elevation of 4.5m. Estimate the tension T in the cable. The acceleration of gravity is 9.80 m/s2. Answer in N.

Q2. The density of gold is 1.93×10^4 kg/m^3. 205 g of gold is shaped into the cube. What is the length of each edge?

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