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Two converging lenses, each of focal length 16.5 cm, are placed 39.8 cm apart, and an object is placed 30.0 cm infront of the first lens. Where is the final image formed? (hint:final image will be formed in front of the secondlense)
What is the magnification of the system?
consider a refrigerator with a coefficient of performance 6.1. suppose the temperature in the room outside the
Two waves travel in the same medium at the same speed. One has wavelength 0.0382 m and frequency 9.67×106 Hz. What is the period of the second wave
A Jetliner with an airspeed of 1000km/h sets out on a 1500-km flight due south. To maintain a southward direction, however, the plane must be pointed 15 degrees west of south. If the flight takes 100 min, what is the wind velocity ?
Find the angular acceleration - What is the torque on the rod when it makes an o angle q with the vertical - Find the kinetic energy of a solid sphere of mass 0.5 kg and radius 10 cm that rolls without slipping on level ground
Suppose that a 1.00 cm3 box in the shape of a cube is perfectly evacuated, except for a single particle of mass 1.21 10-3 g. Find the average pressure on the other walls
a system of two sources consist of a solid non-conducting sphere of radius r10cm with charge q uniformly distributed
A 4958-kg truck traveling with a velocity of 18.7 m/s due east collides head-on with a 1695-kg car traveling with a velocity of 11.9 m/s due west. find the momentum of each vehicle prior to the collision
A 250 ohm resistor is connected in series with a 4.80 uF capacitor. The voltage across the capacitor is v_{C}=(7.60 V)sin [(120 rad/s}) t ]. Determine the capacitive reactance of the capacitor.
A proton is passing the origin. The magnetic field at the (x,y,z) position ( 1mm , 0 mm, 0 mm)is 1.0×10?13?^T. what is the direction of the proton
an airplane travels 85 km,62degrees north of east. Its displacement is represented by the vector A in the drawing
The electric field inside a 50.0?cm? long copper wire is 5.00mV/m .What is the potential difference between the ends of the wire
A 7.80×10?2 H inductor and 3.30×10?5 F capacitor are connected in series in a simple loop. What is the angular frequency of the circuit oscillations
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