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49.If the length of a seconds pendulum is increased by 2% Then in a day the pendulum ------ |
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Answer» √(L/g)ΔT / T * 100 = 1/2 * ΔL/L * 100 = 1/2 * 2% = 1%Time PERIOD increases by 1% =>So one second becomes 1.01 seconds. The pendulum loses 0.01 sec.In one day of 86400 seconds, the CLOCK loses 864 seconds. or 144 minutes or 2 HOURS 24 minutes. |
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