an empty 0.540 kg bucket rests on a scale and you pour water into it from a heig

Question

an empty 0.540 kg bucket rests on a scale and you pour water into it from a height of 2.00 m at a rate of .260 L/s. determine the scale reading 3.4s after you start pouring water. an empty 0.540 kg bucket rests on a scale and you pour water into it from a height of 2.00 m at a rate of .260 L/s. determine the scale reading 3.4s after you start pouring water. an empty 0.540 kg bucket rests on a scale and you pour water into it from a height of 2.00 m at a rate of .260 L/s. determine the scale reading 3.4s after you start pouring water.

Explanation / Answer

time , t = 0.260 L/s

h = 2 m

mass of bucket , m = 0.54 Kg

mass of water in bucket at 3.4 s , M = 0.260 * 3.4 Kg

M = 0.884 Kg

Now , change in momentum of water per sec , p = 0.260 * 1 * sqrt(2 * 9.8 * 2)

p = 1.63 Kg.m/s = 1.63 N

for the reading of scale = 0.884 * 9.8 + 0.54 * 9.8 + 1.63

for the reading of scale = 15.6 N

the for the reading of scale is 15.6 N

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