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an object weighing 300 n in air is immersed in water after being tied to a string connected to a balance the scale now
a womens high-heeled shoe has an area of 05 cm2 assuming that the woman wearing the shoe has a mass of 52 kg and that
what is the density of neon gas at standard temperature and pressure the atomic mass of neon is 2018 atomic mass
a rocket with a mass of 750 grams is launched straight up it achieves a velocity of 2500 ms in 200 seconds the average
an antique phonograph turntable has a kinetic energy of 260times102 j when turning at an angular velocity of 470 revmin
an electric ceiling fan with blades of diameter 0760m is rotating about a fixed axis with an initial angular velocity
a circular saw blade of diameter 0180m starts from rest in a time interval of 580s it accelerates with constant angular
a 563 kg crate slides on a horizontal surface the coefficient of kinetic friction between the surface and the crate is
a square wire with 17 m sides is centered on the origin of the xy-plane a long straight wire carries a current of 20 a
a wire loop bent into the shape of a square with 15 m sides is centered on the origin of the xy-plane a long straight
the magnetic force exerted on a 11-m segment of straight wire is 15 n the wire carries a current of 30a in a region
a 200-kg sled is being pulled across a horizontal surface at a constant velocity the pulling force has a magnitude of
a 10 m long conductor is formed into a circle in the xy-plane a uniform magnetic field b 40 190 240 t exists in the
a car moving with an initial speed v collides with a second lighter stationary car that is 496 as massive after the
objects with masses of 220 kg and a 520 kg are separated by 0390 ma find the net gravitational force exerted by these
an unpolarized light beam of intensity i 140 wm2 is directed along the x-axis and enters a sequence of three
youre caught running a red light on hwy 316 attempting to impress the skeptical patrol officer with your physics
a swimmer capable of swimming at a speed of 10 ms in still water ie the swimmer can swim with a speed of 10 ms relative
a stone has a mass of 315 g and is wedged into the tread of an automobile tire as the drawing shows the coefficient of
a flint glass plate n 166 rests on the bottom of an aquarium tank the plate is 1100 cm thick vertical dimension and
a satellite has a mass of 6264 kg and is in a circular orbit 432 times 105 m above the surface of a planet the period
a racetrack is to have a banked curve with radius 225 m what should be the angle of the bank if the normal force alone
a 160 km long electric power line made out of copper is installed during the spring months at an average temperature of
what is the net upward force on an airplane wing of area 260 m2 if the speed of air flow is 246 ms across the top of
air that initially occupies 080 m3 at a gauge pressure of 140 kpa is expanded isothermally to a pressure of 1013 kpa