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alexandr1967 [171]
3 years ago
13

Example 4:

Physics
1 answer:
earnstyle [38]3 years ago
3 0

Answer:

Given speed of light in diamond =1.24*10m/s

speed of light (c) =3*10^8m/s

refractive index of diamond =3*10^8/1.24*10=2.41*10^7m/s

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\fbox{Hope This Helps You .}

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A train is approaching you at very high speed as you stand next to the tracks. Just as an observer on the train passes you, you
VashaNatasha [74]

Answer:

a) Your player

b) Observer's player

c) Each measures their own first

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In this case, the clock situated in the train will be running slow with respect to the stationary frame of reference

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13671

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2 years ago
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As the temperature of an object rises, so does the.....
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<span>the potential energy of the object.</span>
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4 years ago
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Help with 1 2 and 3 please
geniusboy [140]

1. Amperes, is the SI unit (also a fundamental unit) responsible for current.

2. I = \frac{q}{t} Δq over Δt technically

Rearrange for Δq

I x Δt = Δq

1.5mA x 5 = Δq

Δq = 0.0075

Divide this by the fundamental charge "e"

Electrons: 0.0075 / 1.60 x 10^-19

Electrons: 4.6875 x 10^16 or 4.7 x 10^16

3.  So we know that the end resistances will be equal so:

ρ = RA/L

ρL = RA

ρL/A = R

Now we can set up two equations one for the resistance of the aluminum bar and one for the copper: Where 1 represents aluminum and 2 represents copper

\frac{p1L1}{A1}  = \frac{p2L2}{A2}\\

We are looking for L2 so we can isolate using algebra to get:

\frac{A2(\frac{P1L1}{A1}) }{P2} = L2

If you fill in those values you get 0.0205

or 2.05 cm



6 0
3 years ago
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