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a horizontal force of 50 n pushes a box that weighs 75 n across the floor at a constant speed the coefficient of
oxygen modeled as an ideal gas is in a container and has a temperature of 639degc what is the rms-average magnitude of
two periodic waves interfere somehow both waves have the same frequency and wavelength if one wave has an amplitude of
in fluorescence microscopy an important tool in biology a laser beam is absorbed by target molecules in a sample these
two incoherent em waves of intensities 8i0 and 13i0 travel in the same direction in the same region of space what is
a monster truck has tires with a diameter of 110 m and is traveling at 324 ms after the brakes are applied the truck
in an early test of sound propagation through the ocean an underwater explosion of 1 pound of dynamite in the bahamas
a discus thrower with arm length of 12 m starts from rest and begins to rotate counterclockwise with an angular
the particles in the figure below m1 18 kg and m2 35 kg undergo an elastic collision in one dimension their
a rainbow trout is an extremely cautious fish constantly monitoring the surface of the stream looking for both food and
consider x-rays scattered off of carbon atomsa at what angle are the photons scattered such that the electronrsquos
a constant force of 200n pulls a 30kg box up a ramp 15m long and 4m high if it starts from rest and achieves a speed of
spider silk has a youngs modulus of 40x109 nm2 and can withstand stresses up to 14x109 nm2 a single web strand has a
a photon with wavelength lambda is completely absorbed by a particle traveling at 05c in a head-on collision after the
in the figure a french submarine and a us submarine move toward each other during maneuvers in motionless water in the
the variable capacitor in the tuner of an am radio has a capacitance of 2820pf when the radio is tuned to a station at
a bound quantum system has a complete set of orthonormal no-degenerate energy eigenfunctions usubscript n with
a very short solenoid contains n 20 circular loops of wire the radius of the loop is r 05 meters and the length of
the tungsten filament of a certain 100 w light bulb radiates 250 w of light the other 975 w is carried away by
a boat came to rest at the surface of the ocean before it started to sink due to the resistance of the seawater the
a hill sled moves from the top of a hill at 1ms what is the speed of the sled at the bottom of the hill how high is it
a soccer ball is lofted toward the goal from a distance of 900ampamp160m it has an initial velocity of 127ampamp160ms
a 5 kg uniform cylinder is released at the top of a 151 m 21deg incline what is its velocity when it reaches the bottom
a rock is projected from the edge of the top of a building with an initial velocity of 176 ms at an angle of 31 degrees
an ideal gas initially at pi vi and ti is taken through a cycle as shown in the figure below where n 5 use any