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a rock is kicked off the edge of a cliff 450m high with an initial velocity of 100ms in the horizontal direction how
a 2 meter length of steel changes length by 24 mm during the course of a day if the coeffcient of thermal expansion of
a hiker moves from base camp a distance of 1250m due east then another 845m in a direction 600 north of east what is
a capacitor is constructed of two concentric conducting cylindricalshells the radius of the inner cylindrical shell is
a steel beam has a length of 10 m and a cross-sectional area of 1 cm2 if the length of the beam changes by 050 mm with
identical 603 microc charges are fixed to adjacent corners of a square what charge magnitude andalgebraic sign should
to help keep her barn warm on cold days a farmer stores 900 kg of warm water in the barn how many hours would a
a disc is rotating about its center a mosquito sits on the disc at a distance of 20 cm from the center and has a linear
calculate the magnitude of the electric field at one corner of asquare 08 m on a side if the other three corners are
in an experimental radiation therapy an equivalent dose of 0400rem is given to a localized area of tissue with a mass
a point charge of 2q is placed at the center of a square when a second point charge of -q is placed at one of the
fifty circular turns of wire are wound closely together so that all of them have a radius of close to 005 if the wire
a square wire loop with sides 01 m and a current of 10 a is placed in a magnetic field of magnitude 01 ta what is
a 12 kg block is released from rest at point a and follows the curved guide as indicated at point a this block is
a point charge of 21 microc is at the center of a cubicalgaussian surface 69 cm on edge what is the net electric
a 1250-kg elevator starts from rest it moves upward for 400 seconds with constant acceleration until it reaches its
two students on roller skates stand face-to-face then push each other away one student has a mass of 99 kg and the
a ball is launched at 219 ms at an angle of 25 degrees above the horizontal from the top edge of a building 557 m high
a famous monument is 565 feet tall it is composed of a510-foot pillar topped by a 55-foot pyramidthe base of the
a wheel starts at rest and takes 300 s to rotate 370 revolutions at which point its angular velocity is 980 rads what
during a particular thunderstorm the electric potential between acloud and the ground is vcloud -vground 22 x 108 v
a copper rod is 30 cm long and has a cross-sectional area of 1 cm2 the coefficient of thermal conductivity is 100 wmk
a small conductive rod of length 13 m moves with a constant velocity v16 ms in a direction parallel to a long wire
a water dispenser for pets has an inverted plastic bottle when a certain amount of water is drunk from the bowl more
the space shuttle makes 1 revolution around the earth in 15 hours when it is in an orbit 200 km above the earths