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a merry-go-round r2m initially at rest is given a constant tangential push that depends on time ft betat applied on the
a gymnast on a high bar swings through three revolutions in a time of 290 s the magnitude of the average angular
1 a 10 m length of straight wire carries a current of 22 a in a uniform magnetic field of 50mt whose direction is at an
youre standing on an asteroid when you see your best friend rocketing by in her new spaceship as she goes by you notice
a 35 m long horizontal rod has two forces applied to it one on the far left corner with a force of 4n at 60 degrees
a large block p attached to a light spring executes horizontal simple harmonic motion as it slides across a
a wall consists of 2 layers of material brick in front of an equal thickness of wood if the respective thermal
two cars are each traveling at 270 ms and they are approaching each other the security alarm in one of the cars
astronomers have discovered a planetary system orbiting the star upsilon andromedae which is at a distance 42 1017 m
the main water line enters a house on the first floor the line has a gauge pressure of 230 105 paa faucet on the second
coherent light with wavelength 400 nm passes through two very narrow slits that are separated by 0200 mm and the
a diffraction pattern forms when light passes through a single slit the wavelength of the light is 670 nm determine the
a 069 book slides on a horizontal table the kinetic friction force on the book has magnitude 12 finda how much work is
spaceman spiff sits just outside the milky way galaxy with a cup of liquid helium which is at approximately 4k -269
three sheets of plastic have unknown indices of refraction sheet 1 is placed on top of sheet 2 and a laser beam is
the left end of a long glass rod 800 cm in diameter and with an index of refraction of 160 is ground and polished to a
the inductance of a closely packed coil of 350 turns is 95 mh calculate the magnetic flux per winding through the coil
a carnot engine has a power output of 107 kw the engine operates between two reservoirs at 30c and 365chow much thermal
5 mol of an ideal gas expands isothermally at 373 k to 12 its initial volume find the heat flow into the system the
a 504-g golf ball is driven from the tee with an initial speed of 409 ms and rises to a height of 257 m neglect air
a child is floating stationary in a inner tube in a swimming pool the childs mass is 32 kg the inner tube is completely
according to one estimate the first atomic bomb released an energy equivalent to 20 kilotons of tnt if 1 ton of tnt
calculate the maximum gravity anomaly at ground level over a buried anticlinal structure modelled by a horizontal
a particle lives for a short time before breaking apart into other particles suppose it is moving at a speed of 0992c
a bird is flying directly toward a stationary bird-watcher and emits a frequency of 1000 hz the bird-watcher however