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1 a tunable dye laser emits pulses of light at 5660 nm each having a total energy of 7e-6 j calculate the number of
a 3kg dog jumps horizontally into a basket hanging from a mass less string the basket weights 6kg combined they swing
if mass is subject only to a force of the form given by f-kx it will move shm in the experiment the mass was
a 620 kg bungee jumper jumbs from a brigde she is tied to a bungee cord whose unstretched length is 120 m and falls a
electric force of three collinear points ranking
a 2167 kg satellite is in a circular orbit of 26273 miles 42300000 m in radius the force keeping the satellite in orbit
a specific brand of gourmet chocolate candy contains 700 g of dietary fat in each 227-g piece how many kilograms of
an automobile engine with an efficiency 021 dumps heat to the environment at the rate of 460 kw whats its mechanical
infrared light of wavelength 26 mm illuminates a 027-mm-diameter hole what is the angle of the first dark fringe in
two steel guitar strings have the same length string a has a diameter of 060mm and is under 4400n of tension string b
light from a helium-neon laser l608 nm passes through a circular aperture and is observed on a screen 215 m behind the
in the lab you place a beaker that is half full of water density rhow on a scale you now use a light string to
you want to photograph a circular diffraction pattern whose central maximum has a diameter of 132 cm you have a
the shaft connecting a turbine and an electric generator in a power plant is a solid cylinder of mass 6600kg and
a sprinter set a high school record in track and field running 2000 m in 214 s what is the average speed of the
a photon having e 152 kev energy scatters from a free electron inside a metal what is the maximum energy the electron
if the sun is low in the sky so that the sunball is elliptical should you measure the short or long width of the
a 062 kg brass candlestick has an initial temperature of 980 degrees c if 21100j of heat is removed from the
a 48 kg woman cheats on her diet and eats a 507 calorie 507 kcal jelly donut for breakfasta how many joules of energy
a helium-neon laser l583 nm illuminates a single slit and is observed on a screen 2 m behind the slit the distance
acetominophen is a weaker acid than carbonic acid but asprin is a stronger acid than carbonic acid prepare the flow
an infinitely long cylinder radius a carries a current i distributed uniformly over its cross-sectional area the axis
the wavefunction inside a long barrier of height v is f ne-kx calculate a the probability that the particle is inside
an object has a weight of 45n in air 34n in water and 3n in a salt solution if the density of the water is 1000km m-3
a block of metal has a width of 32cm a length of 171cm and height of 33cm its mass is 15kg calculate the density of the