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sdas [7]
3 years ago
15

Physicists and engineers from around the world came together to build the largest accelerator in the world, the Large Hadron Col

lider (LHC) at the CERN Laboratory in Geneva, Switzerland. The machine accelerates protons to high kinetic energies in an underground ring 27 km in circumference. What is the speed v of a proton in the LHC if the proton’s kinetic energy is 7.0 TeV? (Because v is very close to c, write v=(1−Δ)cv=(1−Δ)c and give your answer in terms of ΔΔ.)

Physics
1 answer:
Vsevolod [243]3 years ago
5 0

Answer:

Explanation:

From the question,

The kinetic energy of protons

K = 7eV.

Mass of proton and the speed of light are the given parameters.

Please kindly go through the files I attached for a step by step explanation of the answer required.

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In a lab experiment, two identical gliders on an air track are held together by a piece of string, compressing a spring between
ddd [48]

Answer:

Part a)

v_2 = -0.300

Part b)

Here final kinetic energy is more than the initial kinetic energy

This increase in kinetic energy is due to spring connected between them as the spring energy is converted into kinetic energy of two blocks

Explanation:

Part a)

As we know that there is no external force on the system of two gliders

So here we can use momentum conservation for two gliders

So we will have

m_1 v_1 + m_2 v_2 = (m_1 + m_2)v_i

m_1 = m_2

1.300 + v_2 = 2(0.500)

v_2 = -0.300

Part b)

now we will have

initial kinetic energy of both gliders is given as

K_i = \frac{1}{2}(m + m)(0.500)^2

K_i = 0.25m

Final kinetic energy of two gliders

K_f = \frac{1}{2}m(0.300)^2 + \frac{1}{2}m(1.300)^2

K_f = 0.89 m

so here final kinetic energy is more than the initial kinetic energy

This increase in kinetic energy is due to spring connected between them as the spring energy is converted into kinetic energy of two blocks

8 0
3 years ago
Witch of the following is not an appropriate unit for power
erica [24]

There are no appropriate units for power on the list you provided

6 0
3 years ago
What happens to the ratio of surface area to volume as the cell size increases without the cell changing shape?
docker41 [41]
The volume increases, but the surface area remains the same
6 0
4 years ago
Read 2 more answers
A truck accelerating at 0.0083 meters/second2 covers a distance of 5.8 × 104 meters. If the truck's mass is 7,000 kilograms, wha
anygoal [31]
<span>F = m*a = 7000kg * 9.8N/kg = 68,600 N. 

68,600 N is your answer
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3 0
3 years ago
The quantity of charge q (in coulombs) that has passed through a surface of area 2.00 cm2 varies with time
Makovka662 [10]

Explanation:

We have,

Surface area, A=2\ cm^2=0.0002\ m^2

The current varies wrt time t as :

q(t) = 4t^3 + 5t + 6

(a) At t = 2 seconds, electrical charge is given by :

q(t) = 4t^3 + 5t + 6\\\\q(2) = 4(2)^3 + 5(2) + 6\\\\q=48\ C

(b) Current is given by :

I=\dfrac{dq}{dt}\\\\I=\dfrac{d(4t^3 + 5t + 6)}{dt}\\\\I=12t^2+5

Instantaneous current at t = 1 s is,

I=12(1)^2+5=17\ A

(c) Current is, I=12t^2+5

Current density is given by electric current per unit area.

J=\dfrac{I}{A}\\\\J=\dfrac{(12t^2+5)}{0.0002}\\\\J=5000(12t^2+5)\ A/m^2

Therefore, it is the required explanation.

7 0
4 years ago
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