5. A satellite is in a circular orbit around the Earth at an altitude of h = 1, 250 km above the Earth's surface. The radius of the Earth is equal to R = 6.37x10°m , the mass is 5.98x10 kg. %3D A) Find the speed of the satellite, and B) Find the period, which is the time it takes to make one complete revolution. C) Find the centripetal acceleration. Consider a horizontal circle.

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Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.