Answer:
MA = 7
Explanation:
Mechanical Advantage = Load/Effort
From the question,
Load = 350N
Effort applied = 50N
Mechanical Advantage = 350N/50N
Mechanical Advantage = 7
Hence the mechanical advantage is 7
Magnitudes are measured by intensity so a 3.4 earthquake is much less stronger than a 4.5 earthquake it’s very literally when measuring them the higher the number the stronger it is
The annual cost of electricity is $28.908 .
work done is equal to energy consumed
therefore total energy is calculated as power times the duration of operation .

where W= work done
P=power
t= time of operation
therefore,
total work done (W)=0.06×12×365 kw
=262.8 kw
so total annual electricity bill = 262.8×0.11
=$28.908
Learn more about electricity bill consumption here:
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Answer:
a) 
b) 
c) 
Explanation:
Given:
- diameter of hole in the tank,

- position of the hole form the tank bottom,

- initial level of turpentine in the tank before the leakage,
- level of turpentine in the tank after the repair of leakage,

- diameter of the tank,

- density of turpentine oil,

a)
Now, volume of turpentine spilled:

where:
area of the cross section of the tank's volume



b)
When the tank was full the liquid level was highest:
so velocity form the height of the hole will be given as:



<u>Now we have the flow rate of the spillage given by:</u>



c)
Total time the leak was active can be calculated as:



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