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A 1.50-m-long bar is pulled to the right at a steady 5.0 m/s perpendicular to a uniform 0.75 T magnetic field. The bar rides on parallel metal rails linked through a 25Ωresistor R, so the apparatus makes a complete circuit. The resistance of the bar and rails is negligibly small.
a) Decide the emf induced in the circuit.
b) Decide the magnitude and direction of the current in the circuit.
c) Decide the magnitude of the force required to move the bar.
Five equal-mass particles (A-E) enter a region of uniform magnetic field directed into page. They follow the trajectories. Rank the particles on the basis of their speed.
A small button placed on a horizontal rotating platform with diameter 0.328 will revolve with the platform, How far from the axis can the button be placed, without slipping, if the platform rotates at 62.0
The outer surface of a skier's clothes of emissivity 0.700 is at a temperature of 7.40° C. Find the rate of radiation if the skier has a surface area of 1.50 m2
question the alpha-particle bombardment of fluorine-19 generates sodium-22 and neutrons. write the nuclear equation
a large box containing your new computer sits on the bed of your pickup truck. you are stopped at a red light. the
The plane of a 7.0 cm × 10.0 cm rectangular loop of wire is parallel to a 0.16-T magnetic field. The loop carries a current of 7.0 A. What is the magnetic moment of the loop?
You are designing an underwater maintenance schedule for anoffshore oil rig. The divers work at a depth of 15 m and theseawater density is 1027 kg m^-3 . They are known to consume 130litres of air at the ambient temperature is 10 o C over the timetak..
A bowling ball is released from rest and rolls without slipping down an inclined plane at 18° to the horizontal. What is the speed (m/s) of its center of mass after it has rolled 2.5m down plane? Think about the bowling ball to be a uniform sphere.
vector a has a magnitude of 6.00 units vector has a magnitude of 8.00 units and the dot product amiddotb has a value of
Velocity is given by distance traveled per unit time. In the case of waves show that this leads to the velocity of the wave being equal to the product of the wavelength and the frequency.
The diagram below shows a mass moving toward the spring with an initial speed of v0. Find the time required for the mass to rest after contacting the spring
A singly charged positive ion has a mass of3.20×10–26 kg. After being acceleratedfrom rest through a potential difference of 833 V, the ion enters amagnetic field of 0.920 T along a direction perpendicular to thedirection of the field.
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