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a stick of uniform density with mass m 8 kg and lengthl 07 m is pivoted about an axle which is perpendicularto its
the recovery time of a hot water heater is the time required to heat all the water in the unit to the desired
the momentum and the kinetic energy of particle ais six timesand seven times the momentum andthe kinetic energy of
the potential energy stored in the compressed springof a dart gun with a spring constant of 6650 nm is 1040 jfind by
calculate the change in potential energy of a 928 kg man when he takes an elevator from the first floor to 29th floor
cosmic microwave background radiation fills all space with anaverage energy density of 4 x 10-14 jm3 what is the
a 0120-kg yo-yo has an outer radiusr that is 520 times greaterthan the radius of its axle the yo-yo is in equilibrium
an air-filled parallel-plate capacitor has a capacitance of 1pf the plate separation is then doubled and na
a narrow beam of ultrasonic waves reflects off the liver tumor inthe figure below if the speed of the wave is 75 less
nbspa spherical neuron possesses 6x1011 non-gatedchannels each of which has a conductance of 50 ps the neuron
a and b went to rock climbing a and b used similar length rope but arope is more elasticwhich stretches a bit b has
1 why were the relative intensities of an elements spectral lines not all the same2 the next corresponding hydrogen
a calculate the speed of a proton that is accelerated from rest through a potential difference of 134vb calculate the
a magnetron in a microwave oven emits microwaves with frequency2450 mhvnbsp what magnetic field strength would be
a skier approaches the base of an icy frictionless hill with aspeed of 139 ms the hill slopes upwardat180circ above the
a 580 kg glider on an air track is attached to the end of aidea spring with a force costant of 452 nm it undergoes
a carnival clown rides a motorcycle down a ramp and around a vertical loop if the loop has a radius of 18m what is the
the two metal objects in fig 25-25 have net charges of 70pc and-70pc which result in a 20v potential difference between
a 15 kg box moves back and forth on a horizontal surface with a coefficient of kinetic friction 018 between two
a 494-g bullet is shot through a 099-kg wood blocksuspended on a string 200 m long the center of mass of the blockrises
a rifle bullet with mass 800 g strikes and embeds itself in ablock with mass 0912 kg that rests on africtionless
how do you measured the constant velocity of magnet in the copper tube and why the magnetet droppe slowly but falls
a hockey player is standing on his skates when an opposing player skates by with the puck movingwith a constant speed
a satellite has a mass of 7930 kg and is in a circular orbit988x106 m above the surface of a planet the periodof the
how much current would flow if you directly connected a 20omega resistor to a 001 volt battery what would this 500 mua