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A typical human eye is nearly spherical and usually about 2.5 cm in diameter. Suppose a person first looks at a coin that is 2.3 cm across and located 30.0 cm from her eye and then looks up at her friend who is 1.8 m tall and 3.25 m away.
A) Find the approximate size of each image (coin and friend) on her retina. (Hint: Just look at rays from the top and bottom of the object that pass through the center of the lens.)
B) Are the images in part (a) upright or inverted and are they real or virtual?
An airplane is flying with a velocity of 93.0 m/s at an angle of 22.0^circ above the horizontal. When the plane is a distance 119 m directly above a dog that is standing on level ground, a suitcase drops out of the luggage compartment.
Photons of wavelength 490 nm are incident on a metal. What is the work function of the metal
A charged particle moves through a velocity selector at a constant speed in a straight line, Calculate the charge-to-mass ratio of the particle.
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In your lab is a steel vessel having a volume of 15.0L you charge the vessel with 2.00 moles of H2 and 1.00 moles of O2. What is the partial pressure of the hydrogen
An elevator cable can withstand a maximum tension of 19,500N before breaking. The elevator has a mass of 480 kg and a maximum acceleration of 2.24 m/s2. Engineering safety standards require that the cable tension never exceed two-thirds of the breaki..
a typical maximum acceleration for a car is about 8 m/s^2, A sports car traveling at 20m/s accelerates at this rate for 1.25 seconds
What is the greatest possible distance from the wall
The squadron commander has the mandate that the database update should be complete in less than one minute. If the topo database is 20 GB, and link is SONET, what is the minimum standard rate necessary.
A photon is emitted when a hydrogen atom undergoes a transitionfrom the n = 5 state to the n = 3 state. Calculate the energy (in electron volts) of the emitted photon
The following charges are located inside a submarine: 6.20 µC, ?9.00 µC, 27.0 µC, and ?59 µC. find the net electric flux through the hull of the submarine
In a football game a kicker attempts a field goal. The ball remains in contact with the kicker's foot for 0.0250 s, estimate vertical components of the launch velocity
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