What is the percent error of gravity

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Q.1 A rectangular barge, 8 m long and 2 m wide, floats in fresh water.

(a)Find how much deeper it floats when its load is a 400 kg horse
(b) If the barge can only be pushed 18 cm deeper into the water before water overflows to sink it, how many 400 kg horses can it carry?

Q2. In experiment of concial pendulum. The radius of the horizontal circle is 25 cm, the mass of the bob is 52 kg, the length of the string is 100cm and the average period is 2.4 sec. What is the percent error of gravity?

Reference no: EM1344482

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