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Q. A particle with a mass of 3.3 × 10-20 kg is oscillating with simple harmonic motion with a period of 4× 10-5 s and a maximum speed of 3.3 × 10^3 m/s. calculate (a) angular frequency and (b) maximum displacement of the particle.

Q. Soft drinks are commonly sold in aluminium containers. How a lot of such containers are thrown away or recycled each year by U.S. consumers? (Suppose an average of 2 cans per person each week and the population of 290 million. Type the answer using one of the following formats, 1.2e-3 for 0.0012 and 1.20e+2 for 120.)

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