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a single slit that is 2600 nm wide forms a diffraction pattern when illuminated with monochromatic light of 420-nm
the natural state of hydrogen at a temperature of -269 degrees celsius is a solid the closest distance among the
a jet aircraft flies over you in straight level flight at a steady speed the whine of the engine is audible to you
a moving sidewalk in an airport terminal building moves at a speed of v0 and is of length l a woman steps on at one end
a vertical electric field of magnitude 225104 nc exists above the earths surface on a day when a thunderstorm is
two small silver spheres each with a mass of 109 g are separated by 111 m compute the fraction of the electrons in one
an uncharged nonconductive hollow sphere of radius 120 cm surrounds a 140 microc charge located at the origin of a
a particle with a charge of -600 nc is placed at the center of a non conducting spherical shell of outer radius 290 cm
estimate the speed at which the drag on a 150 g steel ball becomes equal to about one percent of its weight the density
a docking shuttle requires to decelerate at a very specific rate given by abt2 if the shuttle is moving at 800ms and
two pachycephalosauruses start from rest separated with 59 m they then charge toward each other one has acceleration 19
a drone flies 120 m at 27 north of east then turns and flies 680 m at 23 west of north then turns again and flies 670 m
the distance among the objective and eyepiece lenses in a microscope is 22cm the objective lens has a focal length of
according to keplers 3rd law how would a planets orbital period change if the planets1 mass halved2 eccentricity
the potential dissimilarity between the plates of a capacitor is 220 v midway among the plates a proton and an electron
if a satellite orbits very near the surface of a planet with period t derive an algebraic expression for the density
the position of a particle moving along the x-axis depends on the time according to the equation x ct2 - bt3 where x
a positive charge q1 is located to the left of a negative charge q2 on a line passing during the two charges there are
an electron in a cathode-ray-tube crt accelerates uniformly from 200104 ms to 600106 ms over 100 cma what is its
an ice-making machine operates in a carnot cycle it takes heat from water at 00 c and rejects heat to a room of
a 080 g cork ball with a charge of 150 microc is suspended vertically on a 0300 m long light string in the presence of
consider a thin spherical shell of radius 145cm with a total charge of 25uc distributed uniformly on its surface1
a woman measures the angle of elevation of a mountain top as 12 degrees after walking one km closer to the mountain on
a car rolls along the x-axis and its position in meters is given by x 4-6t2t2 where t is in seconds1 what was its
the electron gun in a television tube uses a uniform electric field to accelerate electrons from rest to 43times107 ms