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a rectangular block of mass m has a hemispherical cavity of radius a carved out on its upper surface a particle of mass
you have been hired to design a spring-launched roller coaster that will carry two passengers per vehicle the vehicle
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