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Two circuits contain an emf produced by a moving metal rod, likethat shown in the drawing. The speed of the rod is the same in eachcircuit, but the bulb in circuit 1 has one-half the resistance of the bulb in circuit 2. The circuits are otherwise identical. Theresistance of the light bulb in circuit 1 is 50Ω, and that in circuit 2 is 100 Ω.Determine (a) the ratioε1/ε2 of the emfsand (b) the ratioI1/I2 of the currents inthe circuits. (c) If the speed of the rod incircuit 1 were twice that in circuit 2, what would be the ratioP1/P2 of the powers in thecircuits?
The wavelength of visible light varies from 380 nm to 750nm as the color of the light changes from violet to red. Calculate the energy of a photon whose wavelength is 695nm
The basement membrane of the glomerulus has the following properties: Rp = 5 nm, the total glomerular membrane areas is 1.5 m2, what is the fractional pore area
A 16.0 kg fish swimming at 1.40 m/s suddenly gobbles up a 4.50 kg fish that is initially stationary. Neglect any drag effects of the water. Find the speed of the large fish just after it eats the small one
Two conductors having net charges of +14.0 µC and -14.0 µC have a potential difference of 14.0 V between them. Determine the capacitance of the system
he catapult on an aircraft carrier can take an aircraft weighing 300,000 N from 0 to 84.1 m/s in 9.3 seconds, What is the acceleration of the aircraft when it launches
A 218.7 kg satellite is in a circular orbit of 26,273 miles (42,300,000 m) in radius. What is the velocity (speed) of the satellite
A particle is located at the vector position r = (7.00i+ 10.00j)m, Determine another position vector that lies on the y-axis
A straight, nonconducting plastic wire 8.50 cm long carries a charge density of +175 nC/m distributed uniformly along its length, Find the magnitude and direction of the electric field
A gold wire 5.72 long and of diameter 0.850 carries a current of 1.19. Find the resistance of this wire
A bullet of mass mB=1.09?10?2kg is moving with a speed of 101.m/s when it collides with a rod of mass mR=6.51kg and length L=1.04m, What is the change in kinetic energy in the collision
a speedboat starts from rest and accelerates at 2.01 ms2 for 7.00 s. at the end of this time the boat continues for an
A 4.7 "kilo" bag of sugar is on a counter. How much work is required to put the bag on a shelf a distance of 0.57 m above the counter
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