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Mumz [18]
4 years ago
15

What do atoms and elements have in common?

Physics
1 answer:
MArishka [77]4 years ago
4 0

Answer:

They come in different kinds, called elements, but each atom shares certain characteristics in common. All atoms have a dense central core called the atomic nucleus. ... All atoms have at least one proton in their core, and the number of protons determines which kind of element an atom is.

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s A horizontal insulating rod of length 11.0-cm and charge 19 nC is in a plane with a long straight vertical uniform line charge
guajiro [1.7K]

Answer:

F = 2.26 ×  10⁻³ N

Explanation:

given,

length of rod = 11 cm

charge  = 19 nC

linear charge density = 3.9 x 10⁻⁷ C/m

electric force at 2 cm away.

E(r) = \dfrac{2K\lambda}{r}

F = E q

F= \dfrac{2K\lambda\ q}{L}\int \dfrac{dr}{r}

integrating from 0.02 to 0.02 + L

F= \dfrac{2K\lambda\ q}{L}[ln(0.02+L)-ln(0.002)]

F= \dfrac{2\times 9 \times 10^9\times 3.9\times 10^{-7}\times 19 \times 10^{-9}}{0.11}[ln(0.02+0.11)-ln(0.002)]

F = 2.26 ×  10⁻³ N

5 0
4 years ago
Study the image below. What interaction causes the water to spread as they pass through the rock opening?
Kamila [148]
I think is diffracton.
7 0
3 years ago
Read 2 more answers
How much force (in Newtons) acts on a 1700 kg car going around a
Daniel [21]

Answer:

b) 4781 N

Explanation:

Because there is a redius do this question is talking about the acceleration force which= mv^2/r

so a=15^2/80=2.8125 m^2/s

so the force will be = m.a

F =1700×2.8125=4781.25 N

5 0
3 years ago
Which colors are contained in white light?
yuradex [85]
O All of the colors. All colors mixed together make white.
7 0
3 years ago
Read 2 more answers
Starting from rest, you accelerate at 6.0 m/s/s for 5 seconds. You then travel at constant speed for 10 seconds. What is the con
choli [55]

Answer:

6.0 m/s²(5 s) = 30 m/s

Explanation:

Distance traveled in 15 s is

½(6.0)5² + 6.0(5)(10) = 375 m

7 0
3 years ago
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