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a person decides to utilize an old pair of eyeglasses to make several optical instruments he knows that the near point
a 540 resistor a 300 microf capacitor and a 0400 h inductor are connected in series to a 870 v rms 600 hz sourcea
a rotating door is made from four rectangular glass panes as shown in the figure the mass of every pane is 660 kg a
a uniform electric field of magnitude 400vm is directed in the positive x-direction a10 microc charge moves from the
a woman weighing 755n stands on a mass less ladder leaning against a frictionless wall the bottom of the ladder is 450m
the mean distance among earth and the sun is 150 multiplied by 1011 m the average intensity of solar radiation incident
a 1200 volt motor draws a current of 560 a when running at common speed the resistance of the armature wire is 0790a
a house has a floor area of 110m2 and an outside wall that has an area of 27 m2 the earths magnetic field here has a
string is wrapped several times around the rim of a small hoop with radius 00800 meters and mass 0137 kg if the free
in a large centrifuge utilized for training pilots and astronauts a small chamber is fixed at the end of a rigid arm
a 14000 kg railroad car travels alone on a level frictionless track with a constant speed of 240 ms a 6500 kg load
think about the reflection of te polarized wave from the boundary among two medianbsp for the angle of incidence
the single slit diffraction pattern shown below was made with light with lambda 570 nm the screen was 26 m from the
a source of sound waves of frequency 12 khz is traveling during the air at 025times the speed of sounda what is the
the electric field strength is 200times104 nc inside a parallel-plate capacitor by 150 mm spacing an electron is
you find a great deal for your housethe bank agrees to give you a 5 year loan where you only pay 100 a month and at 0
a string of 18 identical holiday tree lights is connected in series to a 190v source the string dissipates 620 w one of
a particle with a mass of 200 x 10-16 kg and a charge of 300 nc starts from rest is accelerated with a strong electric
a rifle is meant horizontally at a target 47 m away the bullet hits the target 25 cm below the aim point1 what was the
a power line carrying a sinusoidally varying current with frequency f 60 hz and peak value i0 55 ka runs at a height
a 66 x10-5 meter wide slit in an opaque screen is clarified by monochromatic light with a wavelength of 5435 nanometres
in the lungs there are tiny sacs of air which are called alveoli an oxygen molecule mass 530 x 10-26 kg is trapped
a gamma-ray telescope intercepts a pulse of gamma radiation from a magnetar a kind of star with a spectacularly large
four long straight wires are vertical to the page and their cross sections form a square of edge length a135cm all wire
a proton traveling at 260deg with respect to a magnetic field of strength280 mt experiences a magnetic force of62 10-17