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ocean waves pass through two small openings 21 m apart in a breakwater youre in a boat 76 m from the breakwater and
a five-slit system with 78 um slit spacing is illuminated with 615 nm lighta find the angular positions of the first
the work function of an element is 22 ev photons of a certain energy are found to eject electrons with a kinetic energy
the nucleus of be atomic mass8 is an unstable isotope of beryllium and decays into two alpha particles helium nuclei
the pulmonary artery which connects the heart to the lungs is 85cm long and has a pressure difference over this length
you are standing 26m from a 120w bulb if the pupil of your eye is a circle 50 in diameter how much energy enters your
electromagnetic waves with frequencies ranging from 400 x 1014 hz to 900 x 1016 hz are incident on an aluminum surface
the maximum wavelength an electromagnetic wave can have and still eject an electron from a copper surface is 264 nmwhat
the space shuttle is in a 150km -high circular orbit it needs to reach a 590km -high circular orbit to catch the hubble
monochromatic light strikes a diffraction grating at normal incidence before illuminating a screen 193 m away if the
plane waves of wavelength 455 nm are incident on a single slit of width 24 mm a viewing screen is 60 meter away what
ultraviolet light with a frequency of 30x1015 hz strikes a metal surface and ejects electrons that have a maximum
a 5000 kg spaceship is positioned 140 km from the center of planet x and 581 km from the center of planet y along the
a cannonball is shot from a cannon on a cliff at a height of 124 m at a ship on the ocean the cannonball is shot with
the subfloor on which the flooring sits is at a temperature of 161 degree c while the air in the room is at 192 degree
398 g of water at 64degc is added to ice at 0degc if the final temperature of the system which you can assume is
a rock weighing 8528 n rock with a volume of 24 l is completely submerged in mercury the density of mercury is 136 kgla
the two angled ropes used to support the crate in the figure below an withstand a maximum tension of1400nbefore they
the pressure of a monatomic ideal gas increases by a factor of 215 during an adiabatic compression what is the ratio
an oil droplet with a radius of 003 mm is observed to hover motionless in space between two vertically separated metal
a raindrop of mass 310 multiplied by 10-5 kg falls vertically at constant speed under the influence of gravity and air
what is the magnifying power of an astronomical telescope consisting of a reflecting mirror whose radius of curvature
a hydrogen atom in the n 2 state absorbs a photon with wavelength 486nmfind the change in the atoms total energyfind
a hydrogen atom has energy 242times1019 j and the electron can be in any one of 6 different quantum states find the
a radio receiver can detect signals with electric field amplitudes as small as 250vmwhat is the intensity of the