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for the average person a ldl chlesterol value is less than 200mgdl 200mg of ldl cholesterol per dl of blood what is
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
calculate the heat capacity of a calorimeter if the combustion of 5000 g of benzoic acid led to a temperature increase
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
to prevent the presence of air noble gases are placed over highly reactive chemicals to act as inert blanketing gases a
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
a beam of light is emitted in a pool of water from a depth of 620cm where must it strike the air-water interface
calculate the maximum torque that can be applied to the pedals of a bicycle by a rider with a body mass of 740 kg if
a hypodermic syringe has a plunger of area 25 cm2 and a 50 x10-3 cm2 needlea if a 10-n force is applied to the plunger
you need to use your cell phone which broadcasts an 720 mhz signal but youre behind two massiveradio-wave-absorbing
an oak barrel with a lid of area 020 m2 is filled with watera long thin tube of cross-sectional area 50 x 10-5 m2 is
the intensity of sunlight at the top of the earths atmosphereis about 1390 wm2the distance between the sun and earth is