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Tanzania [10]
4 years ago
7

The is the particle in the nucleus with a positive charge. Answer here

Physics
1 answer:
Finger [1]4 years ago
3 0
Answer: A proton is a positively charged particle located in the nucleus of an atom.
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What does a branching tree diagram show? The evolution in the size of organisms The order in which specific traits may have evol
Anarel [89]

Answer:

a) Species change over time; some traits become more common, others less. This process of change is driven by natural selection. The traits that become more common are the ones that are “adaptive” or “increase fitness” (that is, a creature's chances of living longer and producing more offspring)

Explanation:

because it is

8 0
4 years ago
A small rocket with mass 20.0 kg is moving in free fall toward the earth. Air resistance can be neglected. When the rocket is 80
Mekhanik [1.2K]

Answer:

= 308.5 N

Explanation:

acceleration  of rocket for safe landing

v_{y} ^{2} = v_{0} ^{2} +2ay

a = \frac{v_{y}^{2} - v_{0}^{2}  }{2y}

v_{0} = initial velocity

v_{y} =final Velocity

m = mass of rocket

\frac{0^{2} - 30^{2}  }{2\times80}

-5.625 m/s^{2}

Upward force

F - mg = ma

F = ma+ mg

F = m(a+g)

m= mass

a = 5.625 m/s^{2}

g = 9.8m/s^{2}

= 20(5.625 m/s^{2}+ 9.8m/s^{2})

= 308.5 N

7 0
3 years ago
How many excess electrons must be distributed uniformly within the volume of an isolated plastic sphere 23.0 cm in diameter to p
lyudmila [28]

Answer:

10573375000

216.57162\ N/C

Explanation:

k = Coulomb constant = 8.99\times 10^{9}\ Nm^2/C^2

r = Distance = \dfrac{d}{2}=\dfrac{23}{2}=11.5\ cm

E = Electric field = 1150 N/C

Electric field is given by

E=\dfrac{kq}{r^2}\\\Rightarrow q=\dfrac{Er^2}{k}\\\Rightarrow q=\dfrac{1150\times 0.115^2}{8.99\times 10^9}\\\Rightarrow q=1.69174\times 10^{-9}\ C

Number of electrons is given by

n=\dfrac{1.69174\times 10^{-9}}{1.6\times 10^{-19}}\\\Rightarrow n=10573375000

Number of excess electrons is 10573375000

r = 0.115+0.15 = 0.265 m

E=\dfrac{kq}{r^2}\\\Rightarrow E=\dfrac{8.99\times 10^9\times 1.69174\times 10^{-9}}{0.265^2}\\\Rightarrow E=216.57162\ N/C

The electric field is 216.57162\ N/C

4 0
3 years ago
A(n) ? can be used to represent the direction and strength of a force
ExtremeBDS [4]
Units of force are the newton pound.
6 0
3 years ago
Read 2 more answers
Which part of Earth Is hotter ? Which part is colder ? Why ?
LekaFEV [45]

Explanation:

Dasht-e Loot, Iran is the hottest,, and the coldest is the East Antarctic Plateau. The reason that part of Iran is the hottest is because it's near the Arabian deserts, and as you know the deserts can be pretty hot. The coldest part of the Earth is that cold because it doesn't get as much sunlight, the reason for that is because they don't get any direct sunlight.

5 0
4 years ago
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