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1 the amount of electric power used by a lamp that has a resistance of 230 ohms and is connected to a 310 volt battery
a force of 200 n is needed to push a table across a level classroom floor for a distance of 3 m how much work was done
a terrorist opens a vial of viruses in the center of a 10 x 10 m classroom allowing them to become airborne if the
how does the thermal velocity scale with the size of the molecule diffusing use the ideal gas approach to find the
how long will it take a protein of molecular weight equal to 90000 gmole to diffuse a distance of 1 um assume the
consider a pair of wave functions psi1 and psi2 that are orthonormalshow that psi3 psi1 psi2 and psi4 psi1 - psi2
what are the significant similarities and differences between work and
the bar acb shown in figs 3-33a and b is fixed at both ends and loaded by a torque t0 at point c segments ac and cb of
a bicycle and rider have a combined mass of 700 kg and are moving at 600 ms a 700 kg person is now given a ride on the
one of the fastest recorded pitches in major-league baseball thrown by tim lincecum in 2009 was clocked at 1010 mih if
1 convert nbsp5 x 10-5nbspm to micrometers mum2 convert 25 x 10-9nbspm2nbspto micrometers squared mum23 calculate the
how can an impluse response of lineartime invariant system ht can be laplace-transformed into a transfer
what is the expression for capillary pressure in terms of surface tension contact angle and average pore
the active figure illustrates the motion of a projectile launched from level ground with an initial speed of 50 ms you
design a two lens system that creates an upright image that is approximately twice the size of the original object on a
the amount of electric current flows through a lamp that has a resistance of 150 ohms and is connected to a 100 volt
an electron is released from rest in a weak electric field given by -19 x 10-10nc after the electron has traveled a
a ball launched from ground level lands 27 s later on a level field 48 m away from the launch point find the magnitude
two identical small metal spheres with charges of q and 4q are separated by 10ma determine the sign magnitude and
1 for light of wavelength 650 nm 650 10-7 m passing through a slit of a 008 mm what are the angles that give us the
you wish to create anbsp3nbspcmnbsptall image on a screen 45 cmnbspfrom a 6nbspcmnbsptall illuminated light bulbwhat
two long parallel wires are separated by 30m each wire has a 25-acurrent but the currents are in opposite
people on earth see the atmosphere change from blue to red at sunset consider an astronaut orbiting the earth looking
you decide to build a pipe organ out of pvc pipe in your room at home estimate whether your organ could produce notes
an empty spice bottle has an inner volume of 131 x 10-4 m3 it has a mass of 112 g when filled with air and it displaces