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Inessa [10]
2 years ago
10

An open top concrete tank is available to a construction crew to store water. The job site has a daily requirement for 500 gallo

ns. The tank is 20’ in diameter and is 12’ deep is this tank large enough to meet the needs of the construction site? Note: a gallon of water has a volume of 1.33 cu ft.
Engineering
1 answer:
Radda [10]2 years ago
6 0

Explanation:

Let me know if you have questions

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In a much smaller model of the Gizmo apparatus, a 5 kg mass drops 86 mm (0.086 m) and raises the temperature of 1 gram of water
Orlov [11]

Answer:

The amount of energy transferred to the water is 4.214 J

Explanation:

The given parameters are;

The mass of the object that drops = 5 kg

The height from which it drops = 86 mm (0.086 m)

The potential energy P.E. is given by the following formula

P.E = m·g·h

Where;

m = The mass of the object = 5 kg

g = The acceleration de to gravity = 9.8 m/s²

h = The height from which the object is dropped = 0.086 m

Therefore;

P.E. = 5 kg × 9.8 m/s² × 0.086 m = 4.214 J

Given that the potential energy is converted into heat energy, that raises the 1 g of water by 1°C, we have;

The amount of energy transferred to the water = The potential energy, P.E. = 4.214 J.

6 0
2 years ago
An airliner is flying at 34,000 ft cruise altitude on a standard day. Calculate the pressure difference between the cabin and th
nadya68 [22]

Answer:

\Delta P=61,952.8\ lb/ft^2

Explanation:

Given

Airline flying at 34,000 ft.

Cabin pressurized to an altitude 8,000 ft.

We know that at standard condition ,density of air

\rho =0.074\ lb/ft^3

We know that pressure difference    

ΔP=ρ g ΔZ

Here ΔZ=34,000-8,000  ft

        ΔZ=26,000 ft

g= 32.2\ ft/s^2

ΔP=0.074 x 32.2 x 26,000

\Delta P=61,952.8\ lb/ft^2

So pressure difference will be \Delta P=61,952.8\ lb/ft^2.

7 0
3 years ago
A 5-cm-diameter shaft rotates at 4500 rpm in a 15-cmlong, 8-cm-outer-diameter cast iron bearing (k = 70 W/m·K) with a uniform cl
-BARSIC- [3]

Answer:

(a) the rate of heat transfer to the coolant is Q = 139.71W

(b) the surface temperature of the shaft T = 40.97°C

(c) the mechanical power wasted by the viscous dissipation in oil 22.2kW

Explanation:

See explanation in the attached files

5 0
3 years ago
Can i eat unhealthy while i’m drinking green tea for weight loss ?
Zina [86]

Answer:I don't think it's a better idea to eat unhealthy food while having green tea because it will act as a strumbling rock in your attempt of getting weight loss.

Explanation:I don't say you have to mark my ans as brainliest but if ypu think it has really helped you plz don't forget to thank me...

6 0
3 years ago
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We know that passengers can be either helpful or harmful to a driver. Describe a pro and a con of having passengers in your car.
anygoal [31]

Answer:

sub to pewdipie

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3 years ago
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