Homework Help: physics

Posted by bob on Sunday, April 1, 2012 at 4:30pm.

A uniform horizontal wire with a linear mass density of 0.48 g/m carries a 1.9 A current. It is placed in a constant magnetic field, with a strength of 3.5 10-3 T, that is horizontal and perpendicular to the wire. Neglect the magnetic field of the Earth.
(a) As the wire moves upward starting from rest, what is its acceleration?

m/s2

physics - Elena, Sunday, April 1, 2012 at 4:42pm
Net force F = F(Ampere) –m•g = I•L•B•sinα –d•L.
(sinα = 1, d =0.48•10^-3 kg/m)
F = m•a =d•L•a
I•L•B –d•L = d•L•a.
a =(I •B) /d – 1.

Answer this Question

Related Questions

Physics - A wire of radius R carries a non-uniform current: the current density...
physics - Consider a long wire where the current density is not uniform but ...
physics - A horizontal wire carries a large current. A second wire carrying a ...
physics - A horizontal wire carries a large current. A second wire carrying a ...
physics - A wire of uniform linear mass density hangs from the ceiling. It takes...
phys102 - a copper wire has a diameter of 1.02mm,the wire carries a constant ...
Physics - A long, straight wire carries a current of 48 A. The magnetic field ...
physics - A long, straight wire lies on a horizontal table and carries a current...
Physics - A horizontal wire of length 0.48 m, carrying a current of 6.8 A, is ...
Physics - An aluminum wire of diameter 2.47 mm carries a current of 12.9 A. How ...

For Further Reading

First Name:
School Subject:
Answer: