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a vertical straight wire carrying and upward 24-a current exerts an attractive force per unit length of 88 x 10-4 nm on
a 240 bucket containing 115 of water is hanging from a vertical ideal spring of force constant 115 and oscillating up
a source of electromagnetic waves radiates power uniformly in all directions at a single frequency at a distance of 400
three electric charges qaqqb-q and qc-2q are located at the points axay0bx-ay0 and cx0y2a respectively what is the
suppose that charges on a dipole antenna oscillate slowly at a rate of 1 cycles and the antenna radiates
a source of electromagnetic waves radiates power uniformly in all directions at a single frequency at a distance of 650
the speed of hockey pick decreases from 4500 to 4467 ms in coasting 16 m across the ice find the coefficient of kinetic
an object of mass 300 kg moving with an initial velocity of 500i ms collides with and sticks to an object of mass 200
object of masses mass1 4000 kg and mass29000 kg are connected by a light string that passes over a frictionless pulley
a car with an initial speed of 107 ms accelerates at a uniform rate of 092 ms squared for 36 s find the final speed and
horizontally polarized light passes through two ideal linear polarizers with transmission directions making angles of
assume that a proton has a mass of 334 times 10-27kg and a charge of e it travels in a circular path with a radius
at a steel mill a 50 kg chunk of iron at 22 celsius is heated to its melting point completely melted and the heated
a 11 kg bucket of water is raised from a well by a rope if the upward acceleration of the bucket is 22 ms2 find the
a 53 kg springboard diver leaps from a 2m high board by bouncing until she has increased the energy in the board to
a 500 kg vehicle is cruising down the highway at 30 ms when the driver creates an average force of 700 n by stepping on
a 3kg model rocket initially at rest experiences an average force of 3950n over a distance of 200 cm what would tne
a 3kg model rocket initially at rest experiences an average force of 3950n over a distance of 200 cm how much has the
a 50 kg diver steps off a 10 m high platform and strikes the water below in 143 seconds if it requires an additional 2
a 120 kg hiker puts on a pair of snowshoes that have an effective combined surface area of 080 square meters how much
light consisting of two wavelengths 500 and 520nm is incident normally on a plane diffraction grating with d1 a screen
a glass wedge is constructed to vary smoothly in thickness from zero to t 0200mm the wedge is slowly inserted into one
two microscope slides are placed together but held apart at one end by a thin piece of tin foil under mercury green
a 530 ball is dropped from a height of 115 above one end of a uniform bar that pivots at its center the bar has mass
a home run just clears a fence 105 m from home plate the fence is 400 m higher than the height at which the batter