The period T of a clock pendulum(time for one full swing and back) is given by the formulaT2 = 4π2L/g, where T is measured in seconds, g = 32.2 ft/sec2,and L, the length of the pendulum, is measured in feet. Find approximately the amount the clock gains or loses in a day as a result of the period’s changing by the amount dT

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A: Option (b) agree with the value of the first student. i e  3.81 cm ±0.01 cm

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A: The value is given as (2.90 km) × (350 cm) × (1.005x10-2 mm)

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.