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A converging lens with a focal length of 17.9 cm and a diverging lens are placed 26.0 cm apart, with the converging lens on the left. A 2.00-cm high object is placed 22.0 cm to the left of the converging lens. The final image is 34.0 cm to the left of the converging lens. What is the focal length of the diverging lens? What is the height of the final image?
When the lights of a car are switched on, an ammeter in series with them reads 7.52 A and a voltmeter connected across them reads 12.0 V, find the current through the starting motor
A rifle with a weight of 40 N fires a 4.5-g bullet with a speed of 270 m/s. If a 775-N man holds the rifle firmly against his shoulder, find the recoil speed of the man and rifle
Calculate the acceptance cone angle for a fiber optic cable that has an index of 1.70 for the fiber core and a 1.47 index for the cladding. What is the acceptance cone angle
Two blocks connected by a string are pulled across a rough horizontal surface by a force applied to one of the blocks, what is the magnitude of the applied force
Estimate the average speed of the Apollo spacecraft in meters per second, given that the craft took five days to reach the Moon from Earth
How much power does an automotive battery contain that can furnish 750 Amperes at 12.7 volts for a short period of time
A vertical straight wire carrying an upward26-A current exerts an attractive force per unit length of 7.3×10?4N/m, What is the direction of the current in the second wire?
A 0.51 kg mass at the end of a spring vibrates 9.0 times per second with an amplitude of 0.18 m. Determine the total energy of the system
A series RLC circuit has a resonance frequency of 102.048 Hz. When it is operating at a frequency of w>wo, XL = 15.6 ohms, and Xc = 11.7 ohms. Calculate the inductance for the circuit in units of mH
Someone pushed a 7.5 kg box across the room, traveling 12.0 m. The coefficient is 0.34. Find the box's initial speed
A current with sinusoidal time-dependence, whose peak value is 9.55 A and frequency is 255 cycles per second, Calculate the average power dissipated by the loop
A boy 11.0m above the ground in a tree throws a ball for his dog, who is standing right below the tree and starts running the instant the ball is thrown. How far from the tree will the dog catch the ball
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