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The wiring in the wall of your house to and from an outlet has a total resistance of typically 0.16 ohm . Suppose a device plugged into a 120 V outlet draws 14.9 A of current. (a) What is the voltage drop along the wire? Delta Vw=___?____ (b) How much power is dissipated in the wire? Pw=__?___ (c) What is the voltage drop across the device? Delta V device=__?__ (d) At what rate does the device use electric energy? P=__?___
Gas in a container is at a pressure of 1.1 atm and a volume of 6.0 m3. What is the work done on the gas if it expands at constant pressure to twice its initial volume
The team monitoring a space probe exploring the outer solar system finds that radio transmissions from the probe take 1.77 hours to reach earth. How distant (in meters) is the probe
A plane electromagnetic wave has a maximum electric field of magnitude 3.8E-6 V/m. Find the maximum magnetic field amplitude
Determine how many times greater heat loss occurs through a glass window thats 80.0 cm high, 70 cm wide, and 0.300 cm thick (k = 0.791 W/m°C) than a electrical supply line running outside to an exterior mounted light.
A girl is using a rope to pull a box that has mass of 35kg across a level surface with constant velocity. What is the normal force of the floor on the box
A large, cylindrical roll of tissue paper of initial radius R lies on a long, horizontal surface with the outside end of the paper nailed to the surface. Determine the speed of the center of mass of the roll
A disk having mass M and radius R spins about an axis through its center and prependicular to the flat face of the disk at angular velocity. calculate the moment of inertia of the rod about one end
A 528 Hz sound wave travels through a substance. The wavelength of the sound wave is measured to be 3.2 meters
Physics: Speed of car at bottom of driveway; initial speed of bullet, 20 A 2.10 x 10³ kg car starts from rest at the top of a 5.0 m long driveway that is sloped at 20° with the horizontal. If an average friction force of 4.0 x 10³ N impedes the mo..
q1. if a power source provides 54 watts of power to operate a machine that draws 4.5 amps of current when in use what
A 2.30-kg object attached to a spring moves without friction (b = 0) and is driven by an external force given by the expression F = 3.40sin (2pi*t), where F is in newtons and t is in seconds. The force constant of the spring is 35.0 N/m.
a proton moves in a circle with a speed of 280 m/s through a uniform magnetic field of 2t directed perpendicular to the circular path. compute the orbital radius of the proton
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