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a rod is measured to be 15 cm by an observer moving at 080c with respect to the length of the rod what is the proper
a train has a rest length of 100 m traveling at a very high velocity it goes through a tunnel of length 60 m observers
the critical angle for a certain liquid-air surface is420deg what is the index of refraction of the
a 2100pf capacitor is connected to a65microh coil of resistance34 what is the resonant frequency of this
a transformer has310turns in the primary coil and130in the secondary coilwhat kind of transformer is
a 450 loop circular armature coil with a diameter of80cm rotates at 120 revs in a uniform magnetic field of strength
a thin 12 cm long solenoid has a total of430turns of wire and carries a current of21a calculate the magnitude of the
a 05 meter diameter bicycle wheel is initially rotating at 60rpm rolls to rest at a constant rate in 10 secondsa what
an unknown material has a normal meltingfreezing point of -251deg c and the liquid phase has a specific heat capacity
a space ship is approaching a space station of 12 x 105 ms the space station has a beacon that emits green light with a
a horizontal wire of length 30 m carries a current of 60 a and is oriented so that the current direction is 50deg s of
a certain diatomic molecule has a vibrational frequency of 135 times 1014 hz and is in the third vibrational state and
you make a capacitor by cutting the 155 cm--diameter bottoms out of two aluminum pie plates separating them by 340 mm
a converging lens with a focal length of 890cm forms an image of a 325cm -tall real object that is to the left of the
the critical angle for total internal reflection at a liquid-air interface is 4101 if a ray of light traveling in the
in the old days people thought that the sun might be a burning briquette of coal at the earth the intensity of the
two converging lenses the first with focal length 25 cm and the second with focal length 20 cm are separated by 30 cm a
a 270 kg box slides down a rough incline plane from a height h of 187 m the box had a speed of 255 ms at the top and a
as shown in the figure a layer of water covers a slab of material x in a beaker a ray of light traveling upwards
a skier m630 kg starts sliding down from the top of a ski jump with negligible friction and takes off horizontallyif h
you have two toy trucks moving in the same direction to the right the one that is 60kg and moving 60 ms collides with
heres the question if you have two metal plates 050cm apart and you drop a bit of liquid mass of 26 x 10-12 g that
a block of mass m 2 kg and initial velocity v 5 ms runs into and compresses a spring of spring constant k 50 nm
two wires are welded together end to end the wires are made of the same material but the diameter of one is twice that
a long horizontal hose of diameter 42 cm is connected to a faucet at the other end there is a nozzle of diameter 14 cm