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the lowest note on a violin string makes a 196 hz g below middle c note if this is the fundamental frequency for the
a student wishes to design a flashlight that will work without batteries the student plans to use electromagnetic
a magnetic field is oriented at an angel of 40 degrees to the normal of a rectangular area 65cm by 61 cm if the
suppose you have 10 helium-filled party balloons tied to a digital camera so you can take photos of the core of a storm
two transistors one with a beta of 25 and one with a beta of 40 connected to make a darlington pair calculate the
a ce amplifier has rc 64kohms rl 53kohms the collector voltage is 13v the emitter voltage is 35v the supply voltage 25v
a ce transistor amplifier is built using a voltage divider resistors r130kohm and r210kohmthe input resistance to the
a man wishes to pull a crate 15m across a rough floor by exerting a force of 100 n the coefficient of kinetic friction
a person shufing across a dry carpet can be approximately modeled as a charged 100-pf capacitance with one end grounded
the lenses used in a compound microscope have powers of110 d and60 d if a total magnification of -150 times is desired
thoria tho2 is an important nuclear material predict its likely crystal structure given that the ionic radii for
copper cu metal has a fcc crystal structure and an atomic weight of 635 gmol using the expression determined in
1 a convex lens produces a real inverted image of an object that is magnified 30 times when the object is 28 cm from
the magnetic field at the center of a 14-cm-diameter loop is 23 mta what is the current in the loopb a long straight
1 define air pressure2 define an adiabatic process3 identify the advantages of an aneroid barometer over a mercury
a wire of mass 1 g and length 46 cm is stretched with a tension of 500 n it is then placed near the open end of the
determine the number of calories needed to change 28 g of water at 25 celsius into steam at 100
a dog wishes to swim across a slow-moving stream the dog can swim at 20 ms in calm water the current velocity is 30
the ghost of banquo in macbeth was represented for the first time in 1954 for a production in calcutta by using a clear
1 due to friction with the earths atmosphere a large static electric charge could build up on a plummeting asteroid
a large in-falling fragment could be tracked using radar explain how distance speed and the direction of motion of the
you are standing on the top of a tall cliff and shoot an arrow from a height of 300 m at 250 ms and an initial angle of
a small block of mass m1 is released from rest at the top of a curve-shaped frictionless wedge which sits on a
1 the equation of hydrostatic equilibrium holds for none-gaseous bodies like the earth and moon and other rocky planets
lab - introduction to scienceexercise 1 the scientific methodin this exercise you will answer the questions based on