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the speed of light in ice is 229x10 8 ms what is the index of refraction of
a 350kg sailboat has an acceleration of 62ms2 at an angle of 64 degrees north of east find the magnitude and direction
the driver of a truck slams on thebrakes when he sees a tree blocking the road the truck slows downuniformly with
a train 400m long is moving on a straight track with a speedof 824 kmh the engineer applies the brakes at acrossing and
a uniform stick 15 m long with a totalmass of 300 g is pivoted at its center a 35 g bullet is shot through the stick
the drawing shows a wire composed of three segments ab bc andcd there is a current of i 29a in the wire there is also
three identical stars of mass m 19 x1030 kg form an equilateral triangle that rotates aroundthe triangles center as
an oscillating lc circuit consisting of a 50 nf capacitor anda 23 mh coil has a maximum volatage of 20 va what is the
released from rest at the same height a thin spherical shell and solid sphere of the same mass m and radius r roll
a coil of inductance 1287 mh and unknown resistance and a062 muf capacitor are connected in series with an
a stone is dropped from rest into a well the sound ofthe splash is heard exactly 200 s later find the depth of the well
what are the advantages of placing capacitors in parallel what are the disadvantages what are the advantages of placing
two circular disks spaced 050 mm apart form a parallel-plate capacitor transferring 170 x 109 electrons from one disk
two 10-cm-diameter charged rings face each other 240 cm apart both rings are charged to 200 nc what is the electric
a 1kg ball is falling to the floor when it is 07m above thefloor its potential energy exactly equals its kinetic energy
in an experiment designed to measure the speed of light a laser isaimed at a mirror that is 590 km due north a detector
when a diverging lens is held 13cm above a line of print asin fig 2629 the image is 5cm beneath the lens what is the
three 050 kg particles form an equilateral triangle with 060 msides the particles are connected by rods of negligible
a 200-m-long air column is open at both ends thefrequency of a certain harmonic is 410 hz and the frequency of
suppose a neutrino is created and has an energy of 34 meva assuming the neutrinolike the photon has no mass and travels
a generator of frequency 2500 hz drives a series rlc circuit with an emf amplitude of 120 v the resistance is 41 the
a particular radioactive source produces 125 mrad of 1 mevgamma rays per hour at a distance of 10 ma how long could a
a light bulb emits light uniformly in all directions the averageemitted power is 1500 w at a distance of 4 m from the
a pendulum of length 50 cm is pulled 30 cm away from thevertical axis and released from rest what will be its speed at
a torque of 240 n m is applied to a solid disk accelerating itfrom rest to an angular velocity of 1400 rpm the disk has