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Two long wires (1 and 2) run parallel to each other with wire 1 suspended directly above wire 2. The wires (1 and 2) respectively carry currents of I1 = 26.0 A and I2 = 61.0 A and they both have a weight per unit length of 0.087 N/m. Determine the distance that wire 1 should be mounted above wire 2 in order for it to be held in place by magnetic repulsion.
To stop a car, first you require a certain reaction time to begin braking; then the car slows under the constant braking deceleration. What is your reaction time
Mass A (11 kg) and mass B (2 kg) sit on the ground, 1 m apart. What is size of the the gravitational force
A large parallel plate capacitor has plate separation of 0.90 cm and plate area of 355 cm2. estimate How much work is done on the capacitor
A 255 g oscillator has a speed of 93.0 cm/s when its displacement is 3.90 cm and 74.5 cm/s when its displacement is 6.00 cm
The particle completes 40 revolutions every minute. Show that the angular speed of the particle is 4.19 radians per second, to three significant figures.
A 4.7-nF parallel plate capacitor with a sheet of Mylar filling the space between the plates is charged to a potential difference of 157.0 V and is then disconnected. What is the potential difference between the plates of the capacitor once the Myl..
answer should be symbolica uniform rod is resting on a frictionless table when it is suddenly struck at one end by a
A 9.0*10^-2kg ice cube at 0.0 degrees celcius is dropped into a styrofoam cup holding .35 kg of water at 13 degrees celcius. Find the amount of ice (if any) remaining
A ship's mast reaches to a height of 15 meters above the surface of a 10 meter deep lake. When the sun is 30 degrees above the horizon, how long will the shade of the mast be on the bottom of the lake?
Wool is rubbed against a plastic ruler. If the plastic ruler acquires a charge of -5 µC, how many electrons have been transferred to the ruler
At the Earth's orbit the light of the Sun distributed evenly over a sphere with a radius equal to that of the earth's orbit. The telescope has a one meter radius. What fraction of the Sun's light can a telescope capture?
Find the direction of the current if the axial component of the field points away from the viewer
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