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a photon has momentum of magnitude 815times1028kgms 1 what is the energy of this photon give your answer in joules2
block a m 120 kg originally at rest is pushed with a net horizontal force of 786 n for 534 m as it slides across a
in attempting to pass the puck to a teammate a hockey player gives it an initial speed of 30 ms but because of the
suppose that a high-energy particle accelerator accelerates an electron to such great speed that its relativistic mass
a converging lens is located 100 cm to the left of a diverging lens the focal length of the converging lens is 200 cm
a 200 nc charge is placed on the x-axis at x -300cm another 200nc charge is placed on the x-axis at x300cm and a third
the specifications for a ceiling fan you have just bought indicate that the total moment of inertia of its blades is
graphically determine the resultant of the following three vector displacements 1 24 m 36 north of east 2 18 m 37 east
a monochromatic beam of light of wavelength 720 nm is incident normally on a diffraction grating with 4000 linescm what
the molecular mass of helium is 4gmol the boltzmanns constant is 138066 10-23 jk the universal gas constant is 831451
15 mol of an ideal gas expands isothermally at 373 k to 125 its inital volume find the heat flow into the system the
light strikes a sodium surface causing photoelectric emission the stopping potential for the ejected electrons is 32 v
the cable of the 1900 kg elevator cab shown the figure snaps when the cab is at rest at the first floor where the cab
a 16kg box moves back and forth on a horizontal frictionless surface between two different springs as shown in the
a raft made of wood has a density of 600 kgm3 its surface area is 59 m2 and its volume is 06 m3 when floating in
the current in a 100 watt lightbulb is 0790a the filament inside the bulb is 0200mm in diametera what is the current
suppose the insulating qualities of the wall of a house come mainly from a 40-in layer of brick and an r-19 layer of
the rms speed of the molecules in 17g of hydrogen gas is 1700 ms1- what is the total translational kinetic energy of
in an experiment to find out the muzzle velocity of your bb gun you fire a bb straight up into a wooden block of mass
a solid uniform cylinder of mass m 0641kg and radius r 508cm rolls at a center-of-mass speed of 0254 ms without
the same force that gives the standard 1 kg mass an acceleration of 100 ms2 acts first on body a producing an
a capacitor with c 360 mf is placed in series with a 120-v battery and an inductor having l 350 mh the resistance in
consider a uniform thin rod of length 200 m and mass 100 kg is lying on a smooth horizontal table a horizontal impulse
unpolarized light with an intensity of 875 w m2 is incident on a polarizer with an unknown axis the light then passes
a river 982 m wide flows toward the south at 358 mmin a girl on the west bank wishes to reach the east bank in the