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dolphi86 [110]
2 years ago
10

What is the potiental energy of a 3 kg ball that is on the ground

Engineering
1 answer:
Llana [10]2 years ago
8 0

Answer:

147.15

Explanation:

147.15 is the answer

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What does a graphic designer need to do to monitor the progress of the project<br>​
Sholpan [36]

Answer:

At first the graphic designer has to break the process down into it's fundamental components. Which could be:

1) Discussion and Clear Comprehension of the Brief

2) Research and Collection of Information

3) Sketching

4) Execution and Experimentation

5) Finalization

6) Revision and Further Corrections

7) Submissions

Then self-analysis is required to figure out the current stage process. Project management soft-wares such as Trello could be helpful when it comes to tracking the progress. Hope this answers the question.

Explanation:

5 0
3 years ago
; How do engineers make a difference in the world and with proof ?​
kumpel [21]
Engineers are the reason healthcare has improved so dramatically throughout the years. The advancements in medical technology are down to the work conducted by engineers as well as the creation of devices that help to save lives and improve the quality of life for others. New developments are being created by engineers constantly, for example, the Crossrail project in London is creating a new transport system throughout the South East to create shorter journey times and easier connections. The existing transport system wouldn’t be where it is today without engineers.
3 0
4 years ago
Read 2 more answers
A piston–cylinder assembly contains 5.0 kg of air, initially at 2.0 bar, 30 oC. The air undergoes a process to a state where the
Archy [21]

Answer:

Work transfer is - 97.02 KJ. It means that work is given to the system.

Heat transfer = - 97.02 KJ . It means that heat is rejected from the system.

Explanation:

Given that

m= 3 kg

P₁=2 bar

T=T₁=T₂=30 °C

T=303 K

P₂=2.5 bar

PV=  Constant

This is the isothermal process .

We know that work for isothermal process  given as

W=P_1V_1\ln \dfrac{P_1}{P_2}

W=mRT\ln \dfrac{P_1}{P_2}

For air

R= 0.287 KJ/Kg.K

Now by putting the values

W=mRT\ln \dfrac{P_1}{P_2}

W=5\times 0.287\times 303\ln \dfrac{2}{2.5}

W= - 97.02 KJ

So the work transfer is - 97.02 KJ. It means that work is given to the system.

We know that for ideal gas internal energy is the only function of temperature.The change in internal energy ΔU

ΔU = m Cv ΔT

Here ΔT= 0

So

ΔU =0

From first law of thermodynamics

Q= ΔU +W

ΔU = 0

Q= W

Q= - 97.02 KJ

Heat transfer = - 97.02 KJ . It means that heat is rejected from the system.

8 0
4 years ago
Consider the reversible, elementary, gas phase reaction of A and B to form C occurring at 300 K in a variable volume (constant p
Masteriza [31]

Complete Question

The complete question is shown on the first uploaded image

Answer:

The equilibrium conversion is 1.562\frac{mol}{lt} where lt denotes liter

The final pressure is 3895.94 Kpa

The plot of the composition of the reactor volume as a function of time is on the second uploaded image

Explanation:

The explanation is shown on the third , fourth and fifth images

6 0
4 years ago
A dairy in Fresno County discharges its wastewater to a circular treatment pond. The dairy wants to expand its operations, which
Strike441 [17]

Answer:

420.69 mg

Explanation:

i just did that last week

4 0
3 years ago
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