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A horizontal, 30-cm-long conducting rod is rolling along two insulating rails that are parallel to the x-axis. The rod is parallel to the y-axis, but moves in the +x direction with a speed of 25 cm/s. The entire assembly is immersed in a uniform magnetic field of 7.26 T in the +z direction (up). The electrons in the rod have moved until they are in equilibrium. One end of the rod is negatively charged, while the other is positively charged. How strong is the electric field (in V/m) inside the moving conductor?
coherent light of wavelength 541.9 nm is sent through two parallel slits in an opaque material. each slit is 0.700
An elevator is moving downward but has a constand upwardacceleration of a=3.5m/s2, how long dose it take the coin to strike the elevator floo
Gas in a container is at a pressure of 1.1 atm and a volume of 8.0 m3. What is the work done by the gas if (a) it expands at constant pressure to twice its initial volume
A 170g mass attached to a horizontal spring oscillates at a frequency of 3.70Hz, Determine Amplitude and Phase Constant
You throw a 13.0N rock into the air from ground level and observe that, when it is 13.0m high, Use the work-energy principle to find the maximum height the rock will reach
The surface of the Sun has a temperature of about 5,800 K. The radius of the Sun is 6.96 108 m. Calculate the total energy radiated by the Sun each second
A ballplayer standing at home plate hits a baseball that iscaught by another player at the same height above the ground fromwhich it was hit. How high will the ball rise
The inductance of a closely wound coil is such that an emf of3.0 mV is induced when the current changes at the rate of4.6 A/s. How many turns does the coil have
Two masses connected by a rope are being pulled along a frictionless floor by a Force of 10 N. obtain the tension in the rope connecting the two masses
At what minimum speed must a roller coaster be traveling when upside down at the top of a circle (Fig. 5-34) if the passengers are not to fall out? Assume a radius of curvature of 9.4 m.
At the top of Earth's atmosphere, sunlight has an average intensity of 1380 W/m^2. at what rate does the Sun radiate energy
he cable of the 1400 kg elevator cab in the figure snaps when the cab is at rest at the first floor, Find the speed of the cab just before it hits the spring
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