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a solenoid is to have an inductance of 0295 mh a cross-sectional area of 591 x 10-4 m2 and a length of 349 cma how many
consider a camera that moves its lens back and forth to focus on objects near and far as an object approaches what
an ac generator is to have a maximum output of 318 v each coil has an area of 0137 m2 and a resistance of 169 and
a transformer has 330 primary turns and 1340 secondary turns the input voltage is 120 v and the output current is 150 a
a 500-turn solenoid 25 cm long has a diameter of 25 cm a 10-turn coil is wound tightly around the center of the
what is the velocity of a beam of electrons that go undeflected when passing through perpendicular electric and
a 126 v battery is in series with a resistance of 0324 ohms and an inductora after a long time what is the current in
in a youngs double slits experiments the interference patterns are shown on the screen1 what is path difference between
an ambulance is generating a siren sound at a frequency of 2400 hz the velocity of sound is 340 ms the observer is
the speed of sound in air at 0 degrees c is 331 ms if the density of air is 129 kgm3 then what is the bulk modulus of
a heat engine has an efficiency of 350 and its power output is 600 w what is the rate of heat
light of wavelength 530 nm is incident on two slits that are spaced 10 mm apart how far from the slits should the
astronauts use a centrifuge to simulate the acceleration of a rocket launch the centrifuge takes 25 seconds to reach
an airplane is to drop an abject to hit a target on the ground the plane is flying at a constant speed of 300 kmh
an elevator moving upward approaches the top floor of a high rise building and begins to slow down at the rate of 200
the angular resolution of a radio telescope is to be 0100 degrees when the incident wave has a wavelength of 300mm what
an underwater scuba diver sees the sun at an apparent angle of 450 degrees above the horizontal what is the actual
for a step-down transformer the input voltage is 120v rms and output is to be 6v rmsa what should be the number of
an rlc circuit consists of a 100 omh resistor a 20 micro coulomb capacitor and a 400mh inductor connected in series
the speed distribution of molecules in the earths atmosphere has a significant impact on its compositiona what is the
an object is placed 15 cm from a converging lens with a 50-diopter refractive power at what distance from the object
a boat with a speed of 100 ms aims directly across a 250-m-wide river if the water current is 200 ms how far downstream
a traveler flew due east from city a to city b 150 miles away and then made a connecting flight to city c 250 miles
a 23-g lead bullet is shot with a speed of 320 ms into a wooden wall assuming that 60 of the kinetic energy is absorbed
a small airplane needs to reach a speed of 300 kmh to take offwhat is the minimum length of a runway in m that can