A point source of light illuminates an aperture 400 away a
A point source of light illuminates an aperture 4.00 away. A 17.0 -wide bright patch of light appears on a screen 2.00 behind the aperture, How wide is the aperture?
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if it takes 917 min for the concentration of a reactant to drop to 20 of its initial value in a first-order reaction
a sled of mass 8 kg is on a frictionless slope inclined at 35degrees to the horizantalit is pulled by a rope that makes
a tennis ball is thrown out a window 28m above the ground at an initial velocity of 150 ms and 20 degrees below the
a 10-c charge is 15 m from a second charge and the force betweenthem is 10 n what is the magnitude of the second
a point source of light illuminates an aperture 400 away a 170 -wide bright patch of light appears on a screen 200
a point charge of q is placed at the center of a square and asecond point charge of -q is placed at the upper-left
a steel cable with total length 20m and mass 100kg is connected to two polesnbsp the tension in the cable is 2000n and
the concentration of a drug in the body is often expressed in units of milligrams per kilogram of body weight the drug
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