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given series of equipotentials allow a charge to move through three displacements s s1s2 calculate the electric field
a piston of radius r 005 m has a stroke within a cylinder of s 02 m at the bottom of the stoke the cylinder fills
a how much charge can be placed on a capacitor with air between the plates before it breaks down if the area of each
does the length of the guy west bridge ever change estimate the difference in the length of the footbridge between the
a coating is applied to a lens to minimize reflections the index of refraction of the coating is 166 and that of the
the positive muon an unstable particle lives on average 220times106 measured in its own frame of reference before
a student sits on a swivel seat initially the student is at rest holding a spinning bicycle wheel that has an angular
heat is added to 100 103 cm3 of water at atmospheric pressure the waters temperature increases by 309degca find the
almost the entire volume of mercury in a thermometer is contained in the bulb the remainder extends up into a capillary
a find the force p that must be applied to a piston of area 1110 cm2 to produce sufficient fluid pressure to support a
a woman stands on a scale in a moving elevator her mass is 695 kg and the combined mass of the elevator and scale is an
at an amusement park there is a ride in which cylindrically shaped chambers spin around a central axis people sit in
when a 11 kg mass is hung from a spring it is found to stretch by 11 cm the spring is stretched an additional 5 cm and
a machine carries a 50 kg package from an initial position of di 050 m i 075 m j 020 m k at t 0 to a final position
a 13 kg block is initially at rest on a horizontal frictionless surface when a horizontal force in the positive
an astronaut on a distant planet wants to determine its acceleration due to gravity the astronaut throws a rock
a scientific calculator draws 060ma of current from a 60v battery pack in 20 minutes of operation how many electrons
a dentist uses a mirror to examine a tooth that is 125 cm in front of the mirror the image of the tooth is formed 50 cm
a liquid 165 gcm3 flows through two horizontal sections of tubing joined end to end in the first section the
calculate the critical angles for the following materials when surrounded by air assume that 589 nma sodium
a plastic light pipe has an index of refraction of 142 for total internal reflection what is the minimum angle of
a laser beam is incident at an angle of 420deg to the vertical onto a solution of corn syrup in watera if the beam is
a converging lens is placed 200 cm to the right of a diverging lens of focal length 70 cm a beam of parallel light
an object is placed 19 cm to the left of a converging lens of focal length 30 cm a diverging lens of focal length 10 cm
a proton is located at x10nm y00nm and electron is located at x00nm y40nm find the attractive coulomb force between