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a 200 kilogram stone is tied to a 0500-m length of string and swung around a circle at a constant angular velocity of
the figure below shows a thin uniform bar of length d 111 m and mass m 082 kg pivoted at the top the rod which is
a nearsighted patients far point is 0645 m from her eyes she is able to see distant objects in focus when wearing
a source of sound waves of frequency 07 khz is traveling during the air at 045times the speed of sounda what is the
in a mass spectrometer a beam of protons enters a magnetic fieldnbsp several protons make exactly a one-quarter
a coil is wrapped by 200 turns of wire on a square frame with sides 18cm a uniform magnetic field is applied vertical
a sealed glass jar contains air originally at a pressure of 100atm and a temperature of 0deg c discover the air
a wrecking ball weight 4800 n is supported by a boom which might be assumed to be uniform and has a weight of 3200 n
a metal rod of mass 22kg lies across two parallel conducting rails that are a distance of 52 m apart on a tabletop a 30
a simple pendulum is 026 m long at t 0 it is released from rest starting at an angle of 11deg ignore friction utilize
think about a beam of electrons in a vacuum passing during a very narrow slit of width 200 murm m the electrons then
a long uniform rod which weighs 50010power2 n leans against a smooth vertical wall it leans by an angular of 600
three equal resistors are connected in parallel the equivalent resistance increases by 680 when one resistor is removed
a drill bit on a variable - speed drill has a constant angular acceleration of 25 rads2 the drill has an initial
a diverging lens f -11 cm is located 200 cm to the left of a converging lens f 340 cm a 300-cm-tall object stands to
a gas within a closed chamber undergoes the cycle shown in the p-v diagram of fig 18-37 the horizontal scale is set by
a square loop of wire is believed in a uniform 029 t magnetic field directed perpendicular to the plane of the loop the
the resistances of the primary and secondary coils of a transformer are 59 and 13 omega correspondingly both coils are
a flat circular coil by 106 turns a radius of 243 x10-2 m and a resistance of 0328 omega is exposed to an external
a jewellerrsquos lens of focal length 17 cm is utilized as a magnifier with the lens held near the eye decide the
an individual is nearsighted his near point is 130 cm and his far point is 430 cma what lens power is needed to correct
assume blue light lambda500 nm is used to decide the position of an electron to within the wavelength of the light what
mainly telephone cables are made of copper wire of either 24 or 26 gauge if the resistance of 24 gauge wire is
a coil is removed from a magnetic field an emg is induced in the coil causing a current to flow within the coil this
two 50 g of ice cubes are dropped into 200g of water in a thermally insulated container if the water is originally at