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the atmosphere on mars is almost all carbon dioxide co2 and hasa pressure of about 69times102 pa much less than that
a 50 kg 60-cm-diameter disk rotates on an axle passingthrough one edge the axle is parallel to the floor the cylinder
a fancy sports car passes big ben at a speed of 02 c what time interval will the driver measure for a one-second
what are magnetic domains explain how they produce magnetism in ldquoferromagnetic materialsrdquo with use of a
a parallel plate capacitor with plates of area 620 cm2 is charged to a potential difference v and is then disconnected
two parallel plates of area 81 cm2 have equal but opposite charges of 320e-07 c within the dielectric material filling
on a very warm day30oc you are sitting at the shallow end of a swimmingpool teaching a young child to swim when someone
an electron accelerated from rest through a voltage of520 v enters a region of constant magnetic field if the electron
the sound intensity level07 m from a jack hammer is 130 db relative to the threshold ofhearingwhat is the
a certain source of sound waves radiated uniformly i alldirections at a distance of 15m from the source the
the figure below shows a resistor of resistance r 633 omega connected to an ideal battery of emf 140 v by means of two
a small ferryboat is 400 m wide and 600 m long when a loadedtruck pulls onto it the boat sinks an additional 490 cm
a 26 kg gun is standing on a frictionless surface the gun fires a 552 g bullet with a nmuzzle velocity of 320 ms the
a stone is dropped from the top of a cliff the splash it makeswhen striking the water below is heard 76 s laterpart a
the amount of heat per second conducted from the blood capillaries beneath the skin to the surface is 240 js the
two long straight wires are separated by a distance of 313 cm one wire carries a current of 295 a the other carries a
a 49 kg woman leaps vertically from a crouching position in whichher center of mass is 36 cm above the ground as her
in a steam power plant 1 mw is added at 700degc in the boiler 058 mw is taken out at 40degc in the condenser and the
liquid sodium leaves a nuclear reactor at 800degc and is used as the energy source in a steam power plant the condenser
a 0165-rm kg baseball pitchedhorizontally at 400 rm ms strikes a bat and ispopped straight up to a height of 300 rm ma
if the maximum kinetic energy given to the electrons in acompton scattering experiment is 10kev what is the wavelength
a gymnast of mass 52 kg is jumping on a trampoline she jumps sothat her feet reach a maximum height of 25 m above the
two pieces of the same wire have the same length from one piece asquare coil containing a single loop is made from the
the cue ball in a biliard game travelling at the speed of v1mscollides elastically to another ball of the same kind
two sinusoidal waves of the same frequency are to be sent in thesame direction along a taut string one wave has an