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what is the mass in kg of the air in a scuba tank that has an internal volume of 001 m3 and it is pressurized o that
a passenger on a ferris wheel moves in a vertical circle of radius r20 m with a constant speed v assuming that the seat
you have a lens with a focal length of 35 cm you need to combine this lens with another in contact to make a
a microscope is focused on a black dot when a 115 cm-thick piece of plastic is placed over the dot the microscope
romeo 770kg entertains juliet 550 kg by playing his guitar from the rear of their boat at rest in still water 270m away
a person whose eyes are 17 m above the floor stands in front of a plane mirror the top of her head is 014 m above her
a parallel-plate capacitor has plates of area 5 m2 separated by a distance of 20 mm what is this capacitors
two coils of wire are placed close together initially a current of 470 a exists in one of the coils but there is no
a gate in an irrigation canal is in the form of a semi-circle with radius of 4m straight side on top the gate is placed
two blocks are connected by a light string that passes over two frictionless pulleys mass 1m1 and mass 2m2 the block
if i eat 500g of something which is 700bqkg with a half life biological and physical of 55 days what is the dose and
a if the charge is not uniformly distributed on the disk it depends on the radius r ie rhorhor write the general
a generator at one end of a very long string creates a wave given by y a cos pi15x 40t and at the other end a
a standing wave pattern on a string is described by yxt 0050 sin9pix cos20pit where all lengths are in meters and t
an amusement park roller coaster starts out on a level track 500 m long and then goes down a 500-meter incline at an
a 409kg weather rocket generates a thrust of 11250n the rocket pointing upward is clamped to the top of a vertical
a potential energy function for a two-dimensional force is of the form u 389x3 y - 596x calculate the force that
suppose you have a mass m attached to a spring with constant k nm the mass rests on a horizontal frictionless surface
two stars located 27 light-years from earth are barely resolved using a reflecting telescope having a mirror of
in a mass spectrometer ions of a precisely selected speed are sent into a uniform magnetic field where they move along
a rescue helicopter lifts a 80 kg person straight up by means of a cable the person has an upward acceleration of 070
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when a battery is connected to a 100- resistor the current is 400 a when the same battery is connected to a 442-
a pendulum bob swings a total distance of 4cm from end to end and reaches a speed of 10cms at the midpoint find the
a 5 kg piece of metal displaces 075 l of water when submerged what is the buoyant force on the piece of metal give your