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an emf of 230 mv is induced in a505 turn coil when the current ischanging at a rate of 70 as what is the magnetic flux
a metal ball of mass 066 kg with initial temperature of 30oc is dropped in to a container of 108 kg of water at 20oc if
a model rocket is constructed with a motor that can provide atotal impulse of 210 nmiddots the mass of the rocket is
a wall is composed of two materials material 1 has a thickness of322 cm and a thermal conductivity of 01 while material
a light bulb emits light uniformly in all directions the averageemitted power is 1500 w at a distance of 7 m from the
a player uses a hockey stick to increase the speed of a0200kg hockey puck by 6 ms in 2 secondsa how much did the hockey
a golfer hits a shot to a green that is elevated 30 m above the point where the ball is struck the ball leaves the club
a tennis ball is dropped from a height of 190 cm above theground it has a mass of 0572 kg how can i figure out the
a radio station broadcasts with a frequency of 1000 khz with apower of 89 kw how many photons per second does the
a molecule of dna is 217 micrometers 10-6 meterslong the ends of the molecule become singly ionized -negative on one
a wire 205 m long carries a current of 170 aand makes an angle of 50deg with a uniform magnetic field b 110 t calculate
it is observed that the size of a real image formed by aconcave mirror is four times the sizeof the object when the
an electron has a kinetic energy of 2310-17 j it moves on acircular path that is perpendicular to a uniformed magnetic
a square single-turn wire loop 100 cm on a side is placedinside a solenoid that has a circular cross section of radius
a physicist is designing a cyclotron to accelerate protons toone tenth the speed of light the magnet used will produce
a communications satellite is in a synchronous orbit that is 36 x107 m directly above the equator the satellite
a person who weighs 600 n is riding a 98 nmountain bike suppose the entire weight of the rider and bike is supported
the 2500 turn coil in a dc motor has an area per turn of1910-2 m2 design of the motor specifies that the magnitude
a stone is thrown horizontally with an initial speed of 75msfrom the edge of cliff a stopwatch measures the stones
a car travels at 40 kmh for 30 min and 60 kmh for 15 min how far does it travel in this
a motorist travels for 30h at 800 kmh and 40 h at 600kmh what is her average speed for the
a concave makeup mirror is designed so that a person 28 cm in front of it sees an upright image magnifiedby a factor of
two hydrogen atoms both initially in the ground stateundergo a head-on collision if both atoms are to be excited to
a student sits on a rotatingstool holding two 20kg objects when his arms are extendedhorizontally the objects are 10 m
the rear window of a van is coated with a layer of ice at0oc the density of the ice is 917kgm3 the driver of the van