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stars spend their time on the main sequence converting hydrogen into helium there are two sets of reactions that can
two tugboats pull a disabled supertanker each tug exerts a constant force of 210times106 n one at an angle 150 degree
find the magnitude of the angular acceleration produced given the mass lifted is 135 kg at a distance of 280 cm from
if your biceps attach to your forearm at 00468 m from the elbow and make an angle of 27 degrees with the vertical while
the parallel axis theorem provides a useful way to calculate the moment of inertia i about an arbitrary axis the
a flywheel is a solid disk that rotates about an axis that is perpendicular to the disk at its center rotating
two round concentric metal wires lie on a tabletop one inside the other the inner wire has a diameter of 180cm and
compressed air is used to fire a 60 ball vertically upward from a 11--tall tube the air exerts an upward force of 22 on
a pipe that is closed on one end is 12 meters long what are its fundamental frequency and its first two overtones you
to measure the static friction coefficient between a 433-kg block and a vertical wall the setup shown in the drawing is
you have a simple pendulum thats 14m long and has a 100g mass at the end in lewis hall what is the period of the
mars rotates on its axis once every 102 days almost the same as earth does a find the distance from mars at which a
a car initially traveling at 232 ms undergoes a constant negative acceleration of magnitude 210 ms2 after its brakes
a factory worker moves a 280kg crate a distance of 480m along a level floor at constant velocity by pushing
a synchronous satellite which always remains above the same point on a planets equator is put in orbit around neptune
fm radio stations use radio waves with frequencies from 880 to 108 mhz to broadcast their signals assuming that the
in a certain binary-star system each star has the same mass which is 20 times of that of the sun and they revolve about
very fine smoke particles are suspended in air the translational rms speed of a smoke particle is 23 x 10-3 ms and the
suppose the temperature of 463 l of ideal gas drops from 353 k to 275 k a if the volume remains constant and the
an object with a mass of m 48 kg is attached to the free end of a light string wrapped around a reel of radius r 0235
a balloon of volume 27 m3 contains argon gas at a pressure of 24 105 pa and room temperature 20degc what is the total
using a grating with a spacing of 000046 cm a line which looks like red light appears 27 cm from the central line on a
an ideal gas at 233degc and a pressure 160 105 pa is in a container having a volume of 100 l a determine the number of
an unknown material has a normal meltingfreezing point of -217 degc and the liquid phase has a specific heat capacity