Question

Asked Feb 8, 2019

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Step 1

Initial mass, M_{0} = Mass of the bucket + mass of the water = 1 + 3 = 4 kg

Water leaks at a constant rate, k = 1/5 kg / m = 0.2 kg / m

Step 2

Let's say at some point "x" meters away from the ground, the remaining mass, M will be = Intial mass - leakage rate x distance away from the ground

Hence, M = M_{0} - kx

Step 3

So, gravitational force acting on the bucket F = Mg = (M0 -kx)g where g = accelration due to gravity = 9.8 m / s2

Hence, work...

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