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what are typical densities c pressures pc and temperatures tc in cores of stars and how does this depend on mass and
for the following diagram y 36 cm x 30 cm z the distance from the y axis to the center of the circle equals 12 cm
the kinematics and dynamics of rotation around a fixed axis of a rigid body are mathematically much simpler than those
a cafeteria tray dispenser supports a stack of trays on a shelf hangs from four identical spiral springs under tension
a metallic sphere 1 of radius 100 cm is far away from a metallic spherical shell 2 of radius 200 cm charge 450 nc is
sun is falling towards a supermassive black hole in the centre of a galaxy at some point the star will start to be torn
the sketch at the left shows a square loop of wire its resistance is 5 ohm its dimensions are shown a 40 cm b 50 cm
the director james cameron recently went in a submersible 1 man submarine to the bottom of the mariana trench find out
the diagram below depicts a cross section of coaxial conductor with an inner wire of diameter di and an outer
a parallel-plate capacitor with plates of area 441 cm2 is charged to a potential difference v and is then disconnected
suppose you are old and as a last act want to see for yourself what it is to cross an event horizon knowing you cannot
a system receives 107 joules in the form of heat energy in a specified process and it produces work of 4106 joules the
a very long solenoid of radius a and height h has n closely wound turns of coil suppose there is an increasing current
a magician pulls a tablecloth from under a 200 g mug located 300 cm from the edge of the cloth the cloth exerts a
air which may be treated as an ideal gas is compressed from 100 kpa to 1500 kpa in a quasisatatic manner so that it
question two fictional heavy particles are fired towards each other in a linear accelerator particle 1 movnoting
a life preserver made of styrofoam is designed to support a person weighing 575 n with 80 of the body and 90 of the
if a man is capable of lifting a 121 lb stone on land how heavy a stone could he lift under water the specific gravity
a proton that has a mass m and is moving at 280 ms in the direction undergoes a head-on elastic collision with a
an antique phonograph turntable has a kinetic energy of 270times102j when turning at an angular velocity of 480 revmina
a circular saw blade of diameter 0175m starts from rest in a time interval of 605s it accelerates with constant angular
an electric fan is turned off and its angular velocity decreases uniformly from 540 revmin to 240revmin in a time
galaxy mergers in a rich cluster could impede their use as standard candles over time as they tend to brighten the coma
a capacitor is connected across an ac generator whose frequency is 753 hz and whose peak output voltage is 140 v the
when a resistor is connected across the terminals of an ac generator 103 v that has a fixed frequency there is a