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a woman with mass 505kg is standing on the rim of a large disk that is rotating at 0505revs about an axis perpendicular
an object is 09 m away from a particular lens the lens produces an image of that object 30 cm on the other side of the
a soldier pushes a crate of boxes mass 120kg with a force155n parallel to the tarmac the boxes move up the ramp of a
a calculate the angular momentum of a solid uniform sphere with a radius of 0130m and a mass of 140kg if it is rotating
a person has a far point of 21 cm this means that the personrsquos corrective lenses should produce an image 21 cm in
in a 20- intense cycling race a cyclist can loses 39 of water through perspiration estimate how much heat the cyclist
the zygomatic bone in the upper part of the cheek can be fractured by a 900-n force lasting 60 ms or longer a hockey
a cable is connected at point a 123 and pulls towards point b 77-1 the force in the cable is 100 poundsa express the
according to a report on traumatic brain injury the force that a professional boxers fist exerts on his opponents head
find the electric field at the point 2000 the electric field e kqd2 where q is the charge of the source point k is the
the rules of tennis specify that the 057-kg ball must bounce to a height of between 53 and 58 inches when dropped from
1 suppose current is flowing in a wire from right to left which way do the electrons in the wire move- right to left-
a 12 kg- hammer strikes a nail at a velocity of 85ms and comes to rest in a time interval of 77 ms what is the impulse
a 10-kg copper rod rests on 2 horizontal rails 10 m apart and carries a current of 50 a from 1 rail to the otherthe
suppose the pasco track is 120 cm long assume the track is frictionless and suppose one end is lifted by 255 cmpart a
if the distance between the first and tenth maxima of a double slit pattern is 42mm and the slits are separated by
a certain type of propeller blade can be modeled as a thin uniform bar 250m long and of mass 260kg that is free to
an atomic nucleus at rest decays radioactively into an alpha particle and a smaller nucleus what will be the speed of
an open tank is filled with gasoline to a height of 45 m from the bottom a hole of diameter 24cm is at the bottom of
a heavy flywheel rotating on its central axis is slowing down because of friction in its bearings at the end of the
a cameras zoom lens covers the focal-length range 38mm -138mm you point the camera at a distant object and photograph
a squirrel falls from a very tall tree initially at t 0 the squirrel is at the top of the tree a distance y 50 m
an 80 kg crate is resting on a rough horizontal surface the coefficient of static friction is 05 between the surface
one recent study has shown that x rays with a wavelength of 00034 nm can produce mutations in human cells a calculate
a uniform ladder 730 long weighing 435 rests with one end on the ground and the other end against a perfectly smooth