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lakkis [162]
3 years ago
5

What fundimental force is responsible for the repulsion between two positively charged particles?

Physics
1 answer:
Aliun [14]3 years ago
4 0
Coulomb interaction is responsible
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Suppose your salary in 2012 is $70,000. Assuming an annual inflation rate of 7%, what salary do you need to earn in 2020 in orde
s2008m [1.1K]

Annual salary(2012) = $70,000

Annual inflation = 7%

Therefore, the salary you need to earn in 2020 in order to have the same purchasing power can be calculated below

2020-2012=8\text{ years}FV=PV\times(1+r)^n

where

n = 8

r = 7/100 = 0.07

PV = 70, 000

\begin{gathered} FV=70,000(1+0.07)^8 \\ FV=70000(1.07)^8 \\ FV\text{ = 70000}\times1.71818617983 \\ FV=120273.032588 \\ FV=\text{  \$}120,273.03 \end{gathered}

The salary you need to earn in 2020 to have the same purchasing power = $120, 273.03

8 0
1 year ago
A projectile is launched horizontally at a speed of 45.0 m/s from a
Free_Kalibri [48]

Answer:

answer will be c: 1.5 seconds :)

8 0
3 years ago
Which of the following statements is true?
rosijanka [135]
The correct answers would be B, and d
3 0
3 years ago
Read 2 more answers
Will the velocity of the book change as it moves across the surface with NO friction? Explain your answer.
MakcuM [25]

No velocity will not be changed

Why?

According to Newtons 1st law the velocity of a moving object remains unchanged unless a external force affect that.

6 0
3 years ago
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collision occurs betweena 2 kg particle traveling with velocity and a 4 kg particle traveling with velocity. what is the magnitu
anzhelika [568]

Answer:

metre per seconds

Explanation:

because velocity = distance ÷ time

4 0
4 years ago
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