Search the-cross-section-of-the-sloping-roof-of-a-house-is-represented-so-that-the-points-representing-the-bottom-of-the

1.A long straight wire of a circular cross section radius a carrying steady current I .their current I is uniformly ...

is uniformly distributed across thier cross section . calculate the magnetic field in the region ra

Physics

2.I need help.A waterway of a theme park has a semi circular cross section with diameter 11 feet.The boats that ...

oats that are going to be used in found to be submerge 1 feet into the water.If the water way is to be filled with water 4.5 feet deep,what is the maximum width of the boats?

Precalculus

3.I need to understand, draw and calculate the functions that describe the "Joule Effect" (Joule effect equations). My goal is ...

t equations). My goal is to calculate the increase in temperature of a copper wire of a given cross section and a given length when a given current is run through it. I need not to refer to "tables". I really need to get all the formulas, properly written and explained. Need help immediately.

Electricity

4.I need to have the "Joule Effect" equations explained in order to calculate the temperature increase of a copper wire ...

of a copper wire of 1 mm cross section and 5 meters lenght if a current is running through it for a given time.

Electricity

The cross section of the sloping roof of a house is represented so that the points representing the bottom of the

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