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water flowing through a hose at 37 meter per second fills a 520 l childs wading pool in 83 min evaluate what is the
a 35 cm x 16 cm x 71 cm block floats in water with its long axis vertical the length of the block above water is 17
a 11 meter diameter vat of liquid is 2 meter deep the pressure at the bottom of the vat is 120 atm evaluate the mass of
a 75 kilogram person is exposed to 45 mrem of alpha particles rbe12 find how much energy in joules has the person
an ac voltage source is connected in series with a13 microf capacitor and a 610 ohm resistor using a digital ac
to focus a camera on objects at different distances the converging lens is moved toward or away from the film so a
a circular conducting loop of radius 29 centimeter is placed in a region of homogeneous magnetic field of magnitude
an am radio transmitter broadcasts 607 kw of power uniformly in all directionsa assuming all of the radio waves that
five tons of a mixture consisting of paper and other compostable materials has a moisture content of 7 percent the
a metal cube 468 centimeter on a side is attached to a cord and lowered into fresh water density 1000 kgm3 its
a solid cylinder of diameter 652 centimeter and mass 1218 kilogram is rolling without slipping on a level surface the
a spring-mass system consists of a mass 172 kilogram attached to a light spring and resting on a frictionless table the
a flywheel is rotating at 1950 rpm when a brake is applied for 372 s if the magnitude of the angular acceleration is
a block with a mass of 1 kilogram is attached by a lightweight but strong rope to a second block with a mass of 2
the resistivity of silver is 159 x 10-8 omegabullm the length of a silver wire is 35 meter and the radius is 580 x 10-4
a large number of ground state electrons in a gas of hydrogen atoms are excited to the fourth excited statea determine
an ac space heater uses an rms current of 12 amp at an rms voltage of 120 volta evaluate the magnitude of the peak
a worker pushes a 50 kilogram crate along a horizontal floor by a force of 90 newton at an angle of 240o with the
a sphere with mass m and radius r is placed down a rod at distance r the rod has a length l and a mass m write an
a converging lens with a focal length of 118 centimeter forms a virtual image 795 millimeter tall 168 centimeter to the
in a billiard game one ball moving at 5 meter per second strikes a second ball which is at rest the second ball moves
a hunter standing in a boat at rest on the lake shoots a rifle horizontally the bullet has a mass of 50 gram and
a fairground attraction called the rotor shudder is spinning drum with a movable floor that is dropped down as the drum
at a given instant an 58 mh inductor stored an energy of 86 acircmicroj determine the current in the inductor at this