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a 6 centimeter long spring is attached to the ceiling when a 16 kilogram mass is hung from it the spring stretches to a
a proton is traveling horizontally to the right at 420times106 ms 1 discover a the magnitude and b direction of the
a circular pipe has a diameter of 3 cm and then narrows to 2 cm when water density 1000kgm3 flows during at a certain
a rock is thrown upward from the hand at an initial speed of 45 ms how much later should a second rock be dropped from
a place kicker should kick a football from a point 34 m about 37 yd from the goal and the ball should clear the
a parallel-plate capacitor has plates with an area of 500 cm2 separated by 17 mm what is the electric field among the
two equally charged insulating balls each weigh 022 g and hang from a common point by identical threads 25 cm long the
the potential dissimilarity between the plates of a capacitor is 170 v midway among the plates a proton and an electron
a block of mass m and initial speed collides elastically with a block of mass 2m which is initially at rest assuming
two point charges are fixed in space along the x-axis the first charge of 38 microc is located at x - 45 cm while the
a block slides to the right by speed v on a frictionless floor and collides with a bigger block which is initially at
an electron in an oscilloscope tube is traveling horizontally with a speed of 41times106ms it passes through a 20cm
an electron moving parallel to x axis has an initial speed of 257x106 ms at the origin its speed is reduced to 272x105
light is incident on a plane mirror by an angle of incidence i 35deg if this experiment takes place under water n 133
if the electric field strength in air exceeds 30106 nc the air becomes a conductor using this fact decide the maximum
a thin film of water sits on top of a flat piece of glass and light is incident from below see the following figure if
a record of travel along a straight path is as followsa constant negative acceleration of -12 ms2 for 452 sb constant
a sinusoidal wave in a string is explained by the wave function y 006m sin 44x - 70t where x and y are in meters and t
an ice chest is constructed of a 04 mm thick plain-carbon steel plate a 19 cm thick layer of styrofoam k0033 wm-c and a
which statements are true for two oppositely charged isolated parallel plates ccapacitance ustored energy q and -q
a fancy lecture demo designed to gauge electric fields is shown in the figure above a pith ball of mass 0510 g and
two very large parallel plates are oppositely and uniformly charged the field among the plates is 17times106nc1 how
by what mechanism do quantum effects become observable in normal life at the macroscopic level for instance when two
presume the rear view mirror on a car is convex with a radius of curvature of 21 m1 how does your answer change when