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a ball is thrown upward with an initial velocity of 96 ftsecfrom the top of a 100 ft buildinga what equation models the
1-when 0694 l of ar at 120 atm and 227degc is mixed with 0262 l of o2 at 501 torr and 127degc in a 400 ml flask at
a gun is fired with angle of elevation 30 degrees the max height of the shell is 300 meters what was the muzzle speed
a recently developed method to study brain function is to produce arapidly changing magnetic field within the brain
a bit of computer memory is some physical object that can be in two different states often interpreted as 0 and 1 a
a child pulls a friend in a little red wagon with constantspeed the child pulls with a force of 16n for 100m and
the magnitudes of the four displacement vectors shown in thedrawing are a 150 m b 100 m c 140 m and d 250 m
1 a 15 kg cannon ball is firedfrom a cannon with muzzle speed of 867 ms at an angle of513 withthe horizontal the
a what is the ratio of the intensity of an earthquake wave as itpasses a point 20 km from the source tothe intensity as
a centrifuge in a medical laboratoryrotates at an angular speed of 3400revmin when switched off it rotates through 520
a 110kg linebacker tackles an 85kg halfback immediately before the collision the linebacker is slipping with a velocity
an lcr circuit contains a resistor with r 4200 omega a capacitor withc 6000 microf and aninductor with l 20 mh
a 13 g bullet traveling 230 ms penetrates a 20 kg block of wood and emerges going 170 ms if the block is stationary on
using the arrhenius concept of acids and bases identify the arrhenius acid and base in each of the following
a rocket-powered hockey puck has a thrust of 100 n and a total mass of 210 kg it is released from rest on a
ionization energy is defined as the amount of energy input that is needed from an outside source to remove an electron
some clocks that are powered by an ac voltage use the ac frequencyto keep time the power company makes this possible by
a 15 g bullet strikes and becomes embedded in a 110 kg block of wood placed on a horizontal surface just in front of
a 20-liter sample of h2g at 100 atm an 80-liter sample of n2g at 300 atm and a 40-liter sample of krg at 050 atm are
a gun is fired vertically into a 140 kg block of wood at rest directly above it if the bullet has a mass of 210 g and a
the hydrocarbon benzene c6h6 boils at 801 c how much energy is required to heat a 100 kg of this liquid from 20 c to
a symmetric bi-covex lens has radii of curvature r and athickness of d find its focal length using matrix methods
if a pure r isomer has a specific rotation of -139 degrees and a sample contains 85 of the r isomer and 15 of its
when light of wavelength 350 nm is incident on a metalsurface the stopping potential of the photoelectrons is 0500
the specific rotation of r--glyceraldehyde is 87 if the observed specific rotation of a mixture of r-glyceraldehyde and