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Question: An object is 40 cm from a converging lens with a focal length of 30 cm. A real image is formed on the other side of the lens, 120 cm from the object.
Question 1: What is the magnification?
Please use as much detail as possible in answer! Thanks.
A galaxy observed to have a red shift corresponding to a velocity of 7500km/sec. How big is the universe now compared to it's size when the light was emitted
Two identical pucks are on an air table. Puck A has an initial velocity of 2.0 m/s in the +x-direction. What is the speed and direction of puck B after the collision
In 1977 Kitty O'Neil drove a hydrogen peroxide-powered rocket dragster for a record time interval (3.22s) and final speed (663km/h) on a 402-m-long Mojave Desert track. Determine her average acceleration during the race
the electric field points due east and has a magnitude of 3.0 x 105 nc. the mass of the electron is 9.11 x 10-31 kg and
The wavelength of red light emitted by a 3.01-mW helium-neon laser is 626 nm. what is the density of photons in the beam
A singly charged ion of unknown mass moves in a circle of radius 13.0 cm in a magnetic field of 1.1 T. The ion was accelerated through a potential difference of 8.0 kV before it entered the magnetic field. What is the mass of the ion? in kg
If the charge of the point charge in the figure were -6Q (instead of +Q), by what factor would the magnitude of the force on the point charge due to the dipole change?
A virtual image of magnification +0.6667 are produced when an object is located in front of a spherical mirror. Determine the radius of curvature of the mirror if the object is 27 centimeter in front of it
On a certain amusement park ride, passengers are seated in a horizontal circle of radius 7.5m. the seats begin to rotate from rest and are uniformly accelerated for 21 seconds to a most rotational speeds of 1.4 rad/s.
A 75 , 33 long rod hangs vertically on a frictionless, horizontal axle passing by its center. A 12 ball of clay traveling horizontally at 2.6 hits and sticks to the very bottom tip of the rod.
You are travelling on a two-lane highway 30 m behind a slow truck. You and the truck are initially moving at 20 m/s/ you reach a passing zone and at t=0 start to pass the truck with constant acceleration. What is your speed when you complete your pas..
The current amplitude in an inductor in a radio receiver is to be 250 microA when the voltage amplitude is 3.6V at a frequency of 1.60Hz. What inductive reactance and inductance is needed
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