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ELEN [110]
3 years ago
13

Number 25 and 26 please!!!

Physics
1 answer:
skad [1K]3 years ago
6 0

laborious ... enclosed may help ... cos -angle = cos +plus angle ... sin - anfle = - sine angle

cos is even function, sine is odd ... draw rhe graohs

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red hot is hot, but other colours are even hotter. stars may be hotter than red hot.

there is also something calle the red shift.

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A cheetah can go from the state of rest to running at 20m/s in just two seconds. What is the Cheetahs average acceleration
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Read 2 more answers
You measure the magnetic field of a long, current-carrying wire to be B is equal to start fraction 50 times mu naught over pi en
FromTheMoon [43]

Answer:

  I = 1.875 A

Explanation:

For this exercise we use Ampere's law

             ∫ B . ds = μ₀  I

We use a circular path around the wire whereby B and ds are parallel, whereby the dot product is reduced to the algebraic product

               ds = 2π dr

               B (2πr) = μ₀  I

              I = B 2π R /μ₀  

              r= 7.5 cm = 0.075 m

calculate

             I = (50 μ₀ /π) 2π 0.075 /μ₀  

             I = 1.875 A

           

5 0
3 years ago
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