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ehidna [41]
3 years ago
5

A young man exerted a force of 9000N on a stalled car but was unable to move it. How much work was done?

Physics
1 answer:
rodikova [14]3 years ago
7 0

Answer:

No work was done at all.

Explanation:

Work is only done when a force is exerted and it moves an object. However, when the man exerted his force on the car, the car did not move at all. Therefore, no work was done.

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How much work is done when a 214 newton force pushes a sleeping cow 37m across a field.
nata0808 [166]
Hello!

Answer: 
7918 J

Explanation:

We are assuming that the floor (field) is completely horizontal since there's no information about that in the statement. 

We are going to use the following formula:

W= F . Cos \alpha . D

Where:

F=214 N
\alpha =0º
D= 37m

Then, by substituting we have:

W=214N . Cos (0).37m= 7918 N.m=7918 J

8 0
3 years ago
I have no clue what to do please help.
Yakvenalex [24]

Answer:

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3 0
2 years ago
What are the constituent metals of stainless steel?
bogdanovich [222]

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Moreover, stainless steel is mixed up with sufficient nickel, which is an essential allying element in the series of stainless steel grades. Other components are manganese, molybdenum, silicon, titanium, aluminum, niobium, copper, nitrogen, and sulfur.

 

6 0
3 years ago
The range of all electromagnetic radiation is known as the
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1. A drop of oil of volume 10-10 m spreads out on water to
ankoles [38]

Answer:

318.3 nm

Explanation:

We approximate the circular film as a cylinder of height h and radius, r. Its volume V = πr²h. Since this volume equals the volume of the oil drop, the height of the circular film is thus h = V/πr²

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Substituting into h, we have

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= 0.3183 × 10⁻¹² m

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= 318.3 nm

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3 years ago
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