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the peak value of the ac current in a circuit is 60 a and peak value of the ac voltage applied to the circuit is 47 v
in the bible noah is instructed to build an ark 300 cubitslong 500 cubits wide and 300 cubits high historical
a 650kg elevator starts from rest it moves upward for 300s withconstant acceleration until it reaches its cruising
a 500 kg student climbs a 500 m long rope and stops at the topa what must her average speed be in order to match the
a particle moves horizontally in uniform circular motion over ahorizontal xy plane at one instant it moves through
at time t1 200 s the acceleration of aparticle in counterclockwise circular motion is 300 ms2 i 600 ms2 j it moves
a pump is to lift 180 kg of water per minute through a heightof 360 m what output rating watts should the pump
engineering application acircular hole of radius 8470times10minus1 cm mustbe cut into the front panel of a displayunit
a 217-kg child descends a slide 35 m high and reaches thebottom with a speed of 22 ms how much thermal energy due
a basketball player makes a jump shot the 0600 kg ball is released at a height of190 m above the floor with a speed
according to the laws of probability the chance of two independent events occurring simultaneously is which of the
cosmonaut andrei your co-worker at the international spacestation tosses a banana at you at a speed of 18 ms at exactly
a chemistry experiment requires 252g of silver nitrate how many grams of a 155 by mass solution of silver nitrate
in spherical coordinates the electrical field of a chargedistribution is given by e be-rz r-hat where the lengthscale
a flying squid is able to jump off the surface of the areaby taking water into its body cavity and then ejecting the
a transmission diffraction grating 420 linesmm is used to study the light intensity of different orders n a screen is
a 297 g mixture of the compounds magnesium oxide and potassium chloride is 577 by mass magnesium oxide the compound
a cyclist approaches the bottom of a gradual hill at a speedof 20ms the hill is 51m high and the cyclist estimates that
the fuel used in many disposable lighters is liquid butanec4h10 how many carbon atoms are in 150 g of
a 100-kg astronaut mass includes space gear on a space walk is 50 m from a 3000-kg space capsule and at the full length
in an elastic head-on collision with a stationary target particle a moving particle recoils at one third of its
a isolated conducting sphere r30 cm has a charge placed on itssurface the surface charge density is uniform and has the
a particle with charge of 4 microcoloumbs is at the origin another identical particle is placed 2 m from the origin on
an aqueous solution of hydrogen peroxide h2o2 is 300 by mass and has a density of 111gml what is the molarity of h2o2