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you can chew through very tough objects with your incisors because they exert a large force on the small area of a
a 77 kilogram man floats in fresh water with 3 percent of his volume above water when his lungs are empty and 5 percent
pressure cookers have been around for more than 300 years although the early ones had a nasty habit of exploding
the greatest ocean depths on earth are found in the marianas trench near the philippines where the depth of the bottom
an electron has mass me 911 x 10-31 kilogram and charge -e a proton has mass mp 167 x 10-27 kg and charge e an alpha
assume you have a coffee mug with a circular cross section and vertical sides uniform radius find what is its inside
four point charges have the identical magnitude of 252 x 10-12 c and are fixed to the corners of a square that is 402
a straightforward method of computing the density of an object is to measure its mass and then measure its volume by
a 030 kilogram object is attached to a spring with force constant 167 nm therefore that the object is allowed to move
a 396 omega resistor a 789 omega resistor and a 910 omega resistor are connected in series with a 15 volt batterya
a spring with a spring constant of 110 nm is stretched by 12 centimeter find how much force is applied to the spring to
in this section suppose the temperature is 20oc unless directed otherwise at 28 meter from a sound source the intensity
assume a 21 t field is applied across a 10-gauge copper wire 2588 millimeter in diameter carrying a 17 amp current find
in a classical model of the hydrogen atom the electron orbits a stationary proton in a circular orbit compute the
determine the range of visible wavelengths of light in fluorite wavelengths of visible light in vacuum goes from 380 nm
a particle that carries a net charge of -598 muc is held in a region of constant uniform electric field the electric
a platinum resistance thermometer has resistances of 210 omega when located in a 0oc ice bath and 2408 omega when
an astronaut with a total mass of 685 kg lands on a distant planet the astronaut weighs himself on the surface of the
a molecule of dna deoxyribonucleic acid is 206 microm long the ends of the molecule become singly ionized negative on
through a nuclear accident 410m3 of emergency cooling water at 23c are injected into a reactor vessel where the reactor
an electric dipole consists of 0600g spheres charged to plusmn 230nc at the ends of a 900cm -long mass less rod the
a projectile is fired with an initial speed of 367msat an angle of 421 above the horizontal on a long flat firing
a ship leaves the island of guam and sails a distance 265km at an angle 370 north of westpart a- in which direction
the timekeeping of an old clock is regulated by a brass pendulum 200 cm long if the clock is accurate at 20c but is in
a 24mw laser produces a beam of light with a diameter of 26mm shines its light on a perfectly absorbing surfacewhat is