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while lifeguarding jenny is twirling a whistle in uniform circular motion next to herself the whistle is moving in a
a car moves horizontally with a constant acceleration of 3 ms2 a ball is suspended from the ceiling of the car by a
a one newton pendulum bob is held at an angle from the vertical by a 2 newton horizontal force f find the tension in
a 5 kilogram block is suspended from the ceiling of elevators the elevator accelerates downward at 30 ms squared
the figure 23-32 shows a closed gaussian surface in the shape of a cube of edge length 156 m it lies in a region where
a hot air balloon is ascending straight up at a constant speed of 570 ms when the balloon is 110 meter above the ground
an air-filled parallel-plate capacitor has a capacitance of 14 pf the separation of the plates is doubled and wax is
an object at rest on a flat horizontal surface explodes into two fragments one seven times as massive as the other the
an isolated conductor of arbitrary shape has a net charge of77 x 10-6 c inside the conductor is a cavity within which
a robot probe drops a camera off the rim of a 239 meter high cliff on mars where the freefall acceleration is -37ms2a
a projectile is launched with a speed of 40 ms at an angle of 60o above the horizontal use conservation of energy to
an electric field given by 41middot - 62ynbspnbsp 2 45middot pierces a gaussian cube of edge length 52 m and
a crate is pulled to the right with a force of 746 newton to the left with a force of 1244 n upward with a force of
a single slit is illuminated with 660nm light and the resulting diffraction pattern is viewed on a screen 23 m away1 if
a 10280 gram mass is on a horizontal surface with muk 040 and is in contact with a mass less spring with a force
a single conducting loop of wire has an area of 88nbspxnbsp10-4m2nbspand a resistance of 110nbspohm perpendicular to
define in qualitative terms what string theory is trying to do and why physicists are motivated to work on itexplain
a 0381 h inductor is connected to a capacitor and a 455 resistor along with a 693 hertz 283 volt generatorestimate to
an electron that has energy of approximately 80e01 ev moves between rigid walls13 nm aparta discover the precise energy
a leopard seal jumps onto an uphill ice flow at 7 ms the ice is flat but sloped at 30o to the horizontal the leopard
in a series rlc ac circuit the resistance is 268 the inductance is 22 mh and the capacitance is 214 muf the maximum
a step down transformer turns ratio 18 is utilized with an electric train to reduce the voltage from the wall
a positive charge q 640000 c is uniformly distributed over the volume of a sphere of radius r 150 m assume a spherical
a crab eater seal jumps onto a horizontal ice floe with an initial velocity of 6 ms horizontally there is some friction
radioactive strontium tends to concentrate in the bones of people who ingest it why might one expect that strontium sr