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1a what is the difference between a scalar and a vector quantityb a hiker walks due north for 40 km to reach point a
a load having a mass of 92 metric tons is to be lifted by means of a contractors derrick as shown in fig 5-10 if the
1write each vector in terms of the unit vectors i and j2use unit vectors to express the vector c where c 300a -
1find the magnitude of the vector rrarr that is the sum of the three vectors ararr brarr and in the figure2find the
1 asketch arrows on the diagram to indicate the direction of the electric field if any at each of the points a b c and
1 show that if u amp v are orthogonal then the transformed vectors u au amp v av under the linear orthogonal
three forces are acting on the origin f1 has a magnitude of 70 n and is 30 degrees north of east f2 has a magnitude of
consider a two-dimensional spatial coordinate system s whose coordinates uv are defined byx u vy u - vin terms of
a particle with a charge of -590 10-9 c is moving in a uniform magnetic field bvector -125 t k hat the magnetic force
consider the addition of two spin -12 angular momenta srarr1 and srarr21 how many states are there in the product
a boat travels up a river a distance d and then comes back to the originthe maximum speed of the boat relative to the
show that the general direction hkl in a cubic crystal is normal to the planes with miller indices hkl is the same
1 vector a 119 grams 164deg what is ax 2 vector a 119 grams 164degwhat is ay 3 vector b 114 xunit vector -328
1answer the followinga what are the units of mass and the units of weight for the metric systemb what are the units of
path a is 90 km long heading 600deg north of east path b is 60 km long in a direction due east path c is 30 km long
a shielding enclosure with no apertures has a shielding effectiveness of 100 db at 100 mhz determine the shielding
a private data network is constructed by a company using a large gateway earth station close to the companys head
suppose a single slit like the one in the figure above is 600 cm wide and in front of a microwave source operating at
it is placed it in the path of the laser beam with the slit vertical and positioned so that the laser spot on the
what is the diffraction angle for the first-order image produced by a transmission grating with 5800 linescm
a transmission grating is used to study the spectral region extending from 480 nm to 500 nm the angular spread of this
the intensity of a wave is the square of the wave amplitude this is also true for the matter-waves or the
a uniform copper bar 50 cm long is insulated on the sides and has its ends exposed to ice and steam respectively if
electrostatic clamps are used for holding workpieces while they are being machined for holding silicon wafers during
1 if a diffraction grating has 6000 grooves per centimeter to what angle will the first order constructive interference