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sattari [20]
1 year ago
13

7. A particle is forced to move in a straight line path. It returns to the starting point after 10 s. The total distance covered

by the particle is 20 m. Which of the following statements is true regarding the motion of the particle? a The average velocity of the particle is zero b The displacement of the particle is zero c The average speed of the particle is 2 m/s d All of the above​
Physics
1 answer:
lutik1710 [3]1 year ago
8 0

d. All three statements are true.

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A poker is a long thin tool used to move pieces of coal or logs burning in a fire. To be as safe as possible, the poker should b
nata0808 [166]

Answer:

See the answer below

Explanation:

A poker that will effectively and safely function to move pieces of coal or logs in a burning fire must be fireproof itself. Hence, to be as safe as possible, such <u>poker should be made from a material that is fireproof</u> and that does not conduct a lot of heat. Otherwise, the poker will catch fire/becomes too hot during the course of usage.

3 0
2 years ago
An Alaskan rescue plane traveling 37 m/s drops a package of emergency rations from a height of 134 m to a stranded party of expl
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vf = - 46 m/s since up is positive

6 0
3 years ago
You are a particle physicist at the Large Hadron Collider who is tasked with designing an apparatus to separate annihilation pro
JulijaS [17]

Find solution in the attachments

4 0
3 years ago
A cube that has a volume of 1.00 m³ contains N distinguishable particles.
grandymaker [24]

Answer:

1 P = 0.5

2 P = 0.3

3 P = 0.01

Explanation:

The probability formula is

          P =V^N

Where P is the probability  V is the volume while N is the number of distinguishing particles

So for N = 1 and V = 0.500m^3

           P = (0.500m^3)^1\\

               = 0.5

For  N = 1 and V =  0.300m^3

           P = (0.300m^3)^1

               = 0.3

For   N = 1 and V = 0.0100m^3

     P =(0.0100m^3)^1

         = 0.01

         

6 0
3 years ago
Bosons &amp; Fermions A new type of quantum object has been discovered. When a large collection of these are cooled to almost ab
Lena [83]

Answer:

Only 2,3,4 are true

Explanation:

Bosons Particles are particles that condense to the same state. Bosons particle have integral spin like 0 , $\hbar$, 2$\hbar, 3$\hbar$, etc. Bosons particles always have asymmetric wave function and there is exchange of particles.

1) It does not obey Fermi_ Dirac statistics

2) It obeys Bose-Einstein statistics

3) The object can have intrinsic spin 2$\hbar

4) Yes the Bosons particle is always symmetric with exchange of particles

5) No Bosons particle are symmetric and not asymmetric

5 0
3 years ago
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