Answer:
r = 0.05 m = 5 cm
Explanation:
Applying ampere's law to the wire, we get:

where,
r = distance of point P from wire = ?
μ₀ = permeability of free space = 4π x 10⁻⁷ N/A²
I = current = 2 A
B = Magnetic Field = 8 μT = 8 x 10⁻⁶ T
Therefore,

<u>r = 0.05 m = 5 cm</u>
Answer:
i dont know
Explanation:
blah blah blah your welcome
Answer:
475
Explanation:
Cori does not exert any more force than 475 J, so 475 is the answer.
What website are you using?