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two blocks with masses 500g and 510 g are connected to a rope and hung over a 50g cylinder with a radius of 4 cma what
you have a 193 omega resistor a 0400 h inductor a 492 uf capacitor and a variable-frequency ac source with an amplitude
a diffraction grating produces a first order bright fringe that is 0226 m away from the central bright fringe on a flat
one of our closest stellar neighbours vega is 58 light years away it has been suggested that tv programs from our
light of wavelength 502 nm falls on a diffraction grating whose spacing is 1560 nm what is the largest order spectrum
two small identical conducting spheres are placed with their centers 040 m apart one is given a charge of 12 10-8 c the
a carnot engine absorbs 940 j of heat each cycle and provides 380 j of work how much heat is rejected each
the electric field everywhere on the surface of a charged sphere of radius 0170 m has a magnitude of 590 nc and points
an intense light source radiates uniformly in all directions at a distance of 60 m from the source the radiation
the intensity of a cylindrical laser beam is 0800 wm2 the cross-sectional area of the beam is 3010-4m2 and the
a 500 kg rocket sled can be accelerated at a constant rate from rest to 1500 kmh in 21 s what is the magnitude of the
two objects x and y are observed traveling in space under the influence of the gravitational attraction of the sun the
radio station wcco in minneapolis broadcasts at a frequency of 830 khz at a point some distance from the transmitter
the balloon contains 030mol of helium starts at a pressure of 110 kpa and rises to an altitude where the pressure is
the atmospheric pressure at sea level is about 10 105 pa what is the force at sea level that air exerts on the top of a
a rubber raft of mass 3m floats past a dock at 1 msec toward the east a girl of mass 2m runs down the dock and jumps in
a nurse counts 60 heartbeats in one minute what are the period and frequency of the hearts
a potters wheel a solid uniform disk of mass 61 kg and radius 065 m spins about its central axis a 21 kg lump of clay
a typical american family uses 700 kwh of electricity a monthpart a- what is the average current in the 120 v power
a rectangular coil of wire with 25 loops carries a current of 242 ma the coils dimensions are 85 cm by 23 cma what is
a copper rod has a length of 16 m and a cross-sectional area of 39 10-4 m2 one end of the rod is in contact with
newtons law of gravity states that the force on an object by the earth follows an inverse square law 0 2 e g m m f g x
two 750 w 120 v lightbulbs are wired in series then the combination is connected to a 230 v supplyhow much power is
assume the earth is a sphere with its mass evenly distributed throughout find the moment of inertia of the earth about