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an accelerometer in a control system consists of a 365-g object sliding on a horizontal rail a low-mass spring is
a satellite is in orbit about earth its orbital radius is128times107 m the mass of the satellite is 2849 kg and the
a golfer wishes to chip to a hole 50m away on flat levelground if the fall sails off at 45 degrees what speed must it
the radius of a uniform solid sphere is measured to be 615 plusmn 015 cm and its mass is measured to be 180 plusmn 004
a positively charged particle of mass 721e-8 kg is traveling due east with a speed of 853 ms and enters a 0340 t
a man is doing push-ups he has a mass of 68 kg and his center of gravity is located at a horizontal distance of 070 m
a 1500-kg car moving east at 39 mscollides with a 1700-kg car moving southat 15 ms and the two cars stick togethera
a packing crate is placed on a 20 degree inclined plane ifthe coefficient of the static friction between the crate and
there are two light bulbs in a circuit powered by one battery one light bulb is a 100 watt light bulb and the other a
a fighter jet is launched from an aircraft carrier with the aid of its own engines and a steam-powered catapult the
a tower outside the houses of parliament in london has a famousclock commonly referred to as big ben the name of its
a nonzero net force acts on a particle and does work which one ofthe following statements is truethe kinetic energy of
a current of 0300 a through your chest can send your heart intofibrillation ruining the normal rhythm of heart beat
the drawing shows an electron entering the lower left side of a parallel plate capacitor and exiting at the upper right
a small object of mass 380 g and charge -18 muc floats ina uniform electric field what is the magnitude and direction
heather and jerry are standing on a bridge 50 m above a riverheather throws a rock straight down with a speed of 20 ms
the drawing shows an edge-on view of two planar surfaces that intersect and are mutually perpendicular surface 1 has an
a typical lightning flash delivers about 15 c of negative charge from cloud to ground how many electrons are involved
a child and sled with a combined mass of 528 kg slide down a frictionless hill that is717 m high if the sled starts
two point charges of 30 nc and -40 nc are held fixed on anx axis at the origin and at x 69 cm respectively a particle
a person lifts a 35 kg cement block avertical distance of 143 m and thencarries the block horizontally a distance of
compute your average velocity in the following two cases a you walk 610 m at a speed of 226 ms and then run 610 m at a
1 according to the law of conservation of energy how is energyconserved in a series circuit nad a parallel circuit2
in the rectangle in the drawing a charge is to be placed atthe empty corner to make the net force on the charge at
a spaceship moves away from the earth with a speed of 080c thespaceship then fires a missile with a speed of 050c