How many cubic feet are there in a gallon?
2 answers:
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Answer:
298800 m
Explanation:
V=speed
d=distance
t=time
Change hours to seconds
It will be 36000s
8.3m/s * 36000s
=298800m
Answer:
W = 2352 J
Explanation:
Given that:
- mass of the bucket, M = 10 kg
- velocity of pulling the bucket, v = 3
- height of the platform, h = 30 m
- time taken, t = 10 min
- rate of loss of water-mass, m =
Here, according to the given situation the bucket moves at the rate,
The mass varies with the time as,
Consider the time interval between t and t + ∆t. During this time the bucket moves a distance
∆x = 3∆t meters
So, during this interval change in work done,
∆W = m.g∆x
<u>For work calculation:</u>