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a long straight wire carrying a current of 400 a is placedalong the axis of a cylinder of radius 0500 m and a length of
an electron with velocity v10x106 ms is sent between the plates of a capacitor where the electric field is e500vm if
two trains are traveling toward each other at 305 msrelative to the ground one train is blowing a whistle at 500hza
a toaster rated at 1050w operates on a 120v household circuit andhas a 400m length of nichrome wire as its heating
air at atmospheric pressure 101 kpa is to be compressed to one-sixth of its original volume at what pressure will the
a coffee cup heater and a lamp are connected in parallel tothe same 120-v outlet together they use a total of 111w of
a particle has a charge of q 59 muc and is located atthe orgin as the drawing shows an electric field of e x 233nc
a rocket of mass 450 x 105 kgis in flight its thrust is directed at an angle of 645deg above the horizontal and has a
a wire has a length of 675 x 10-2 m and is used tomake a circular coil of one turn there is a current of 294 a inthe
two particles having equal signed charges of 12nc are placedat two of the vertices of an equilateral trianglelength of
the loaded cab of an elevator has a mass of 30 x 103 kg and moves 176 m upthe shaft in 23 s at constant speed at what
a 37 g bullet with ahorizontal velocity of 494 ms stops13 cm within a solid walla what is the change in its mechanical
a diatomic gas expands adiabatically from one atmospherepressure to two atmosphere pressure find the ratio of its final
the cosmoclock 21 ferris wheel in yokohama city japan hasdiameter of 100m its name comes from its 60 arms each of
a 0410 kg pendulum bob passes through the lowest part of its path at a speed of 320 msa what is the tension in the
by means of a rope whose mass is negligible two blocks aresuspended over a pulleyone block wighs 110-kg and the other
a classic 1957 chevrolet corvette mass 1240 kg starts fromrest and speeds up with a constant tangential acceleration of
determine the zero-point energy for an electron in a 1-d box ofdimension l 10-15m suppose that the center of the boxis
a 50 x 104-kg space probe is traveling at a speed of 11000ms through deep space retrorockets are fired along the line
your job is to lift 30kg crates avertical distance of 090m from the ground onto the bed of a trucka how many crates
an 800-kg man jumps from a height of 250 m onto a platformmounted on springs as the springs compress he pushes the
a braking force is applied to a 300kg motorcycle to reduce its speed to reduce its speed from 200ms to 160ms in 100sa
a 100 kgblock is dragged over a rough horizontal surface by a 840 n force acting at 200deg above thehorizontal the
compute the most probable distance that a nitrogen molecule will traverse in tissue after 05 s if the molecule
a loaded grocery cart is rolling across a parking lot in astrong wind you apply a constant force f30ni-40nj to the cart