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Assume that you have an object that you want to image onto a viewing screen 1500mm away from the object. What are the possible image magnifications if you image the object onto the screen with a thin lens of focal length f=160mm? What focal length of the lens would you need to image the object at a magnification of -3?
a youngs interference experiment is performed with monochromatic light. the separation between the slits is 0.500 mm
two blocks of masses 20 kg and 8 kg are connected together by a light string and rest on a frictionless level surface.
An air gap capacitor is constructed of two parallel 20.0cm x 2.00 cm metal plates separated by a distance of 100.0 um. calculate The charge density on the plates
A large rock that weighs 164.0 N is suspended from the lower end of a thin wire that is 3.00 m long. The density of the rock is 3200 kg/m^3. What is the density of the liquid
A water molecule floating in the air loses one electron, becoming an ion, What is the magnitude of the electric force between the electron and the water ion
an experiment youre designing needs a gas with ? 1.45. you recall from your physics class that no individual gas has
two particles of masses m1 93000 kg and m2 4200 kg are initially at rest an a distance 148.1 km apart. the masses are
A sample is being dated by the radiocarbon technique. If the sample were uncontaminated, its activity would be 0.064 Bq per gram of carbon. Calculate the true age (in years) of the sample
You push a 2.7 kg box with a force of 23.8 N along a level floor, but a frictional force of 3.3 N opposes the motion
two charges of identical mass m one with charge q the other with charge 2q hang from strings of length l from a common
a small glass bead has been charged to 25nc. what is the magnitude of the acceleration of a proton that is 4.0cm from
As a part of a New Year's celebration, a boy is needed to cause a wheel adorned with sparklers to spin rapidly. To accomplish this, the boy wound a 6 m long rope around the 13 cm diameter axle of the wheel.
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