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what is the wavelength in meters of a proton traveling at 255000000 ms which is 85 of the speed of light assume the
the wavelength of one particular emission of a certain galaxy has been shifted from 565 to 699 nm due to the doppler
by the no hair theorem a black hole is completely characterized by its mass charge and angular momentum therefore
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a white billiard ball with mass mw 156 kg is moving directly to the right with a speed of v 34 ms and collides
the momentum of a first clump of clay of mass 1kg is measured to be p1 -2i 3j kgms the second clump has mass 2 kg and
a white dwarf star has a density of about 10 x 109 kgm3 if the earth were to suddenly become as dense as a white dwarf
the shock-wave cone created by the space shuttle at one instant during its reentry into the atmosphere makes an angle
the motion of low orbit satellites can be approximated by saving that the needed centripetal acceleration for the
you have a lab setup to investigate rigid body rotation a uniform disk of mass 1kg and radius 10cm can rotate around
the weight of a metal piece is measured using a spring balance spring balance shows 145n when metal piece hanging in
you observe a rocket propelled car driven off a cliff by mr evel knievel you measure a horizontal acceleration of
a well insulated calorimeter contains m1 150g steam at a temp t1 110 celcius water at a temp of t210 celcius is poured
a block of mass 1kg slides down a frictionless semicircular surface of radius 1m the starting position is at an angle
wes and lindsay stand on the roof of a building wes leans over the edge and drops an apple lindsay waits 13 s after wes
a wheel of diameter 03 m is rotating with an angular velocity of 3 rads and slowing under a constant acceleration of -3
a wheel with a moment of inertia of 20 kg m2 initially rotates freely with an angular velocity of 10 rads a pad is
the motion of low orbit satellites can be approximated by saying that the needed centripetal acceleration for the
a wheel of radius 050 m rolls without slipping it starts from rest and its center has a linear acceleration of 02 ms2 a
a wheel is rotating about an axis that is in the z-direction the angular velocity omegaz is -600rads at t0 increases
wikipedia indicates the approximate energy released by an earthquake relative to the destructive power of tnt with
this graph represents current vs voltage for 200nm light shining onto cadmium cd which has a work function of 407 ev in
wind gusts create ripples on the ocean that have a wavelength of 500 cm and propagate at 200 ms what is their
the graph in the figure shows a pv diagram for 330 moles of ideal helium he gas part ca of this process is
for the wire arrangement in the figure a 129 cm and b 173 cm the current in the long straight wire is given by i