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In: Physics
A horizontal wire has one end fastened to a wall while the other end is pulled...
A horizontal wire has one end fastened to a wall while the other end is pulled with a force of 200 N. The wire has a length of 5 m, a volume mass density of 7,400 kg/m3 , and a resistivity of 6.9e-07 Ωm. A transverse pulse takes 0.2 s to travel the length of the wire. Calculate the electrical power dissipated by the wire while a current of 2 A is passing through the wire
Solutions
genius_generous answered 2 years agoRelated Solutions
A horizontal wire has one end fastened to a wall while the other end is pulled...
A horizontal wire has one end fastened to a wall while the other
end is pulled with a force of 200 N. The wire has a length of 5 m,
a volume mass density of 7,000 kg/m3 , and a resistivity
of 6.9e-07 Ωm. A transverse pulse takes 0.2 s to travel the length
of the wire. Calculate the electrical power dissipated by the wire
while a current of 2 A is passing through the wire.
A ball is attached to one end of a wire, the other end being fastened to...
A ball is attached to one end of a wire, the other end being
fastened to the ceiling. The wire is held horizontal, and the ball
is released from rest (see the drawing). It swings downward and
strikes a block initially at rest on a horizontal frictionless
surface. Air resistance is negligible, and the collision is
elastic. The masses of the ball and block are, respectively, 1.6 kg
and 2.3 kg, and the length of the wire is 1.21 m....
One end of a very long wire is rigidly fastened to a post. The other end...
One end of a very long wire is rigidly fastened to a post. The
other end is attached to an audio speaker which shakes the end of
the wire in a direction perpendicular to its length. The wire has a
diameter 1.1 mm , a volume mass density of 7800
kg/m3, and is held under a
tension of 6.7 N. The speaker creates a wave on the wire with an
amplitude 0.56 cm and a frequency of 65.0 Hz ....
A mass of 11.0 kg , fastened to the end of an aluminum wire with an...
A mass of 11.0 kg , fastened to
the end of an aluminum wire with an unstretched length of 0.47 m ,
is whirled in a vertical circle with a constant angular speed of
118 rev/min . The cross-sectional area of the wire is
2.0×10−2 cm2
.
Part A:
Calculate the elongation of the wire when the mass is at the
lowest point of the path.
Express your answer using two significant figures.
Part B:
Calculate the elongation of the...
A 23.3-kg mass is attached to one end of a horizontal spring, with the other end of the spring fixed to a wall.
Part AA 23.3-kg mass is attached to one end of a horizontal spring, with the other end of the spring fixed to a wall. The mass is pulled away from the equilibrium position (x = 0) a distance of 17.5 cm and released. It then oscillates in simple harmonic motion with a frequency of 8.38 Hz. At what position, measured from the equilibrium position, is the mass 2.50 seconds after it is released?–5.23 cm16.6 cm–5.41 cm–8.84 cm–11.6 cm Part BA 23.3-kg...
an insulating wall 16cm thick has one face at 600 degree celsius while the other is...
an insulating wall 16cm thick has one face at 600
degree celsius while the other is at 100 degree celcius. The
thermal conductivity of the material is given by K
=0.078(1+17.95*10 exponent - 4) W/mK ant T is in degree celcius
temperatures is 60 degree celcius determine the heat flow for a
length of 5m. also find the mid layer temperature
A horizontal, rectangular loop of wire, initially in a B-field free region, is pulled from left...
A horizontal, rectangular loop of wire, initially in a B-field
free region, is pulled from left to right with constant velocity v
into an extended region of uniform upward directed magnetic
field.
a) What, if any, is the direction of the induced current as the
loop is pulled into the uniform field region?
b) What, if any, is the direction of the magnetic force on the
loop as it is pulled into the uniform field region?
c) What, if any,...
A 28.0 kg beam is attached to a wall with a hinge while its far end...
A 28.0 kg beam is attached to a wall with a hinge while its far
end is supported by a cable such that the beam is horizontal. If
the angle between the beam and the cable is θ = 57.0° what is the
vertical component of the force exerted by the hinge on the
beam?
A given copper wire has a resistance of 5.10 ? at 20.0°C while a tungsten wire...
A given copper wire has a resistance of 5.10 ? at 20.0°C while a
tungsten wire of the same diameter has a resistance of 4.67 ? at
20.0°C. At what temperature will the two wires have the same
resistance?
A horizontal 14.9 kg beam 2.1 m long is attached to the wall by a hinge at its left end.
A horizontal 14.9 kg beam 2.1 m long is attached to
the wall by a hinge at its left end. A cable is connected from the
right end of the beam to the wall, at an angle of 27 °
above the beam, as shown below. A 55 kg sign is hung 1.6
m from the left end of the beam.Part A - Find the tension in the cable.Part B - Find the horizontal force exerted on the wall by the
hinge.Part...
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