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3 years ago

Which of these particles is classified as a lepton?

Physics

2 answers:

netineya [11]3 years ago

6 0

(a)-electron, create a negative solution

sashaice [31]3 years ago

4 0

Answer:

(A)-electron

Explanation:

Particles can be classified into:

- Leptons: particles which do not feel the strong interaction

- Hadrons: particles which interact by strong nuclear forces (they are actually not fundamental particles, since they are composed of quarks)

- Boson: the mediators of the four fundamental forces

The given options in this problem are:

(A)-electron --> LEPTON (because it does not feel the strong interaction)

(B)-proton --> HADRON (it consists of quarks)

(C)-neutron --> HADRON (it consists of quarks)

(D)-photon --> BOSON (it is the mediator of the electromagnetic force)

(E)-boson --> BOSON

So, the only lepton among the choices is (A) electron.

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Which of the following is an example of a force?

strojnjashka [21]

The answer would be d!

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3 years ago

An elevator starts from rest with a constant upward acceleration and moves 1 m in the first 1.7 s. A passenger in the elevator i

avanturin [10]

Answer: Tension = 53.6N

Explanation:

Given that

Height h = 1 m

Time t = 1.7 s.

Mass m = 5.1 kg

From the equation of the motion we can get the acceleration of the elevator:

h = X0+ V0t + at2/2;

Th elevator starts from rest with a constant upward acceleration. Initial velocity Vo = 0, also Xo = 0; thus

a = 2h/t2 = 2 × 1/1.7^2

a = 0.69 m/s2.

Then we can find the tension in the cord by using the formula

T = mg + ma

= 5.1 (9.8 + 0.69)

= 5.1 × 10.5

= 53.6N

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3 years ago

YOU NEED TO TAKE YOUR FAT AS OUTSIDE

patriot [66]

Answer:

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Explanation:

8 0

2 years ago

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As shown in the figure below, April enters a race. She runs leftward 100 m to her horse, then she rides 500 m

Zolol [24]

Answer:

13.33m/s

Explanation:

The average velocity is the ratio of total distance traveled to the total time taken to complete the distance. The International System of Units (SI) unit of velocity is the meter per second (m/s). The Velocity is given by the equation:

Velocity = total distance traveled / total time taken

The total distance traveled = Distance traveled by horse + distance traveled by truck + remaining distance traveled = 100 m + 500 m + 1000 m = 1600 m

Total time taken = 120 s

Velocity = total distance traveled / total time taken = 1600 m / 120 s = 13.33 m/s

Velocity = 13.33 m/s

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3 years ago

Why are metalloid used for making superconductor ?

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