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a gold prospector finds a solid rock that is composed solely of gold and quartz the volume and mass of the rock are
a stroboscope is a light that flashes on and off at a fix rate it can be used to illuminate a rotating object and if
a single-loop circuit consists of a 73 resistor 120 h inductor and a 31 f capacitor initially the capacitor has a
an inflated football has a gauge pressure of 93 ibin2 calculate the pressure inside the
if the average kinetic energy per molecule of a monatomic gas is 70x10-21 joule determine the celsius temperature of
to loosen the lid on a jar of jam 89 centimeter in diameter a torque of 80 nbullm must be applied to the circumference
a man holds a ladder horizontally at its center treating the ladder as a uniform rod of length 440 meter and mass 1059
a thermos contains 148 cm3 of coffee at 885degc to cool the coffee you drop two 122-gram ice cubes into the thermos the
a person finds the front windshield of him car covered with ice at -102 degc the ice has a thickness of 360 x 10-4m and
an x-ray tube with a copper target is operated at a potential difference of 25 kv the glancing angle theta in our
a man stands in a stationary canoe and throws a 500 kilogram stone with a velocity of 810 ms at an angle of 280 degree
a river flows from south to north at 530 kmh on this river a boat is heading east to west perpendicular to the current
think a parallel plate capacitor composed of two very large approximate as infinite square plates as shown in figure 2
a well-insulated bucket of negligible heat capacity contains 158 gram of ice at 0degca if 16 gram of steam at 100degc
a man eats a dessert that contains 170 calories 1 calorie 4186 j the skin temperature of the man is 374 degc and that
find the angular velocity in rads of the earth due to its daily spin on its axis the earth due to its yearly motion
determine the cop position for a 2-meter tapered steel circular rod with radius varies linearly from 2 cm to 4 cm the
murphy is using a pulley to lift a barrel for safety the rope is wrapped around the pulley many times treat the pulley
suppose you look through a 33 mm thick window comprised of a material whose refractive index is 163a find by what time
at what energy does an electron become ldquorelativisticrdquo think electrons with kinetic energies of 50 ev 50 kev and
a 225times104 n elevator is to be accelerated upward by connecting it to a counterweight using alight but strong cable
there are three different methods to induce an emf in a coil of wire 1 change the magnetic field that is applied in the
a double slit separated by 00582 mm is placed 140 m from a screen1 if yellow light of wavelength 590 nm strikes the
in a youngs double-slit experiment a set of parallel slits with a separation of 0102 mm is illuminated by light having
spidermans webbing has a cross sectional area of a 10-6 m2 the youngs modulus of the silk is y 200 x 1010 pa and has