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ddd [48]
4 years ago
6

9

Physics
1 answer:
Rudik [331]4 years ago
8 0

Answer:

6

Explanation:

cause logic

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Two charges of +2.6 μC and –5.4 μC experience an attractive force of 6.5 mN. What is the separation between the charges?
Troyanec [42]

Answer:

Explanation:

q_{1} =+2.6 X10^{_-6}C \\q_{2} =-5.4 X10^{_-6}C \\F=6.5mN\\F=\frac{Kq_{1}q_{2}  }{d^{2} }

3 0
2 years ago
a city government received a $1 million grant to build swimming pools and skating rinks for youth. based on the data provided in
ivolga24 [154]

We have that for the Question "A city government received a $1 million grant to build swimming pools and skating rinks for youth. based on the data provided in the graph, what is the opportunity cost of building one swimming pool?" it can be said that

OC=2

From the question we are told

A city government received a $1 million grant to build swimming pools and skating rinks for youth. based on the data provided in the graph, what is the opportunity cost of building one swimming pool?

Generally the equation for the Opportunity cost  is mathematically given as

OC=\frac{y_1-y_2}{x_1-x_2}\\\\OC=\frac{2-0}{1-0}\\\\OC=2

Therefore

From the graph of the  question we can ascertain that Opportunity cost

OC=2

For more information on this visit

brainly.com/question/18670421

Graph is attached below

6 0
3 years ago
What is the resistance of a light bulb if 4.65 A flows through it when connected to a 85 V source?
marin [14]

Answer:

R = 18Ω

Explanation:

V = IR

R = V/I = 85/4.65 = 18Ω

5 0
3 years ago
A 500 lb steel beam is lifted up by a crane to a height of 100 ft and is held there.
Nadya [2.5K]

A. How much work is being done to hold the beam in place?

Work is the product of Force and Displacement. Since there is no Displacement involved in just holding the beam in place, hence the work is zero.

 

B. How much work was done to lift the beam?

In this case, force is simply equal to weight or mass times gravity. Hence the work is:

Work = weight * displacement

Work = 500 lbf * 100 ft

Work = 50,000 lbf * ft

 

C. How much work would it take if the steel beam were raised from 100 ft to 200ft?

The displacement is still 100 ft since 200 – 100 = 100 ft, hence the work done is still similar in B which is:

<span>Work = 50,000 lbf * ft</span>

5 0
3 years ago
What is the net charge of both pantothenate and phosphopantothenate in aqueous solution at ph 7?.
wlad13 [49]

The net charge of pantothenate is -1 whereas the net charge of phosphopantothenate is −2 in aqueous solution at pH 7.

<h3>What is the net charge of both pantothenate and phosphopantothenate?</h3>

At pH 7, the carboxylic acid of pantothenate will lose one hydrogen ion which leads to a net charge of −1 on pantothenate while on the other hand, the phosphate group of phosphopantothenate will lose two hydrogen ions (−2) so −2 charge appear on the phosphopantothenate.

So we can conclude that The net charge of pantothenate is -1 whereas the net charge of phosphopantothenate is −2 in aqueous solution at pH 7.

Learn more about charge here: brainly.com/question/25923373

#SPJ1

4 0
2 years ago
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