Answer:
$50
Step-by-step explanation:
75x20%= 1500 then divided by 100 is 15. 75 - 15 is 50
2580 ft-lb
Water leaks out of the bucket at a rate of
Work done required to pull the bucket to the top of the well is given by integral
Here, function is the total weight of the bucket and water feet above the bottom of the well. That is,
is the initial height and is the maximum height of well. That is,
Find the work done as,
Hence, the work done required to pull the bucket to the top of the well is
yea
steps below
1. 1 + 1/2*(n-1) : 3, 7/2, 4, 9/2
2. 1 + 1/3*(n-1): 7/3, 8/3, 9/3, 10/3
3. 3/2 + 1/2*(n-1): 4, 9/2, 5
4. 1, 4, 16, 19, 76...79, 316, 319, 1276 ...
17.5 hours each
350/2 = 175
175/10 =17.5
17.5 hours each :)
hope this helps
Pls give brainlyest