Write an expression for B⃗ (d), the magnetic field a distance d above the xy plane of the sheet. Use μ0 for the permeability of free space. Express the magnetic field as a vector in terms of any or all of the following: d, I, N, a, μ0, and the unit vectors i^, j^, and/or k^.

At an oceanside nuclear power plant, seawater is used as part of the cooling system. this raises the temperature of the water that is discharged back into the ocean. the amount that the water temperature is raised has a uniform distribution over the interval from 10° to 25° c. what is the standard deviation of the temperature increase?

Which is an example of an exothermic process?

If a star is moving toward earth, it is