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a hydraulic lift is used to jack a 1070 kg car 13 cm offthe floor the diameter of the output piston is 18 cm and
an 0775 kg football is thrown witha speed of 146 ms a stationary receivercatches the ball and brings it to rest
calculate the theoretical amount of nh4no3 that would be required to change the temperature of 50 ml of water from room
seawater contains about 885ppm s assuming that this is in the form of so42- what weight of baso4 precipitate would be
a 10 kg test rocket is fired vertically its fuel propels it to a heaight of 100 m at which point the engine shuts off
octane is a liquid component of gasoline given the following vapor pressures of octane at various temperaturesestimate
a satellite orbits neptune 4000 km above its surface given that the mass of neptune is 102 x 1026 kg and the radius of
can you please explain valence electrons and how i go about determining the valence electron for different
a child sitting 118 m from the centerof a merry-go-round moves with a speed of 120 msa calculate the centripetal
how many milliliters of a stock solution of 560 m hno3 would you have to use to prepare 0160 l of 0510 m hno3 if you
a 288 g lead weight initially at 106 c is submerged in 768 g of water at 520 c in an insulated container what is the
for womens volleyballthe top of the net is 224m above the floor and the court measures90m on each side of the net using
a ball is thrown straight up takes 225s to reach a hieght of368ma what was its initial speedb what is its speed at this
for which kc 130102 note kc not kp 406 mol of ch3n2ch3g are placed in a cylinder that is equipped with a movable piston
a stone is dropped into the water from a bridge 144ft above thewater another astone is thrown vertically down 1s after
two railroad cars each of mass 6400 kgare traveling 94 kmh toward each otherthey collide head-on and come to rest how
a car travels up a hill at constant speed of 40kmh and returnsdownhill at the speed of 60kmh calculate the average
for h35cl the internuclear distance is 01275 nm calculate the moment of inertia i and calculate the energies of the
the amount of energy released by burning a fuel source measured in energy per mass is called the fuel value if all the
an automobile engine develops a torque of 280 nm at 3800 rpm what is the power in watts and in
antarctica is roughly semicircular in shape with a radius of2000km the average thickness of the ice cover is 3000m how
draw the structure of hydrocarbon that reacts with 2 equivalents of h2 on catalytic hydrogenation and gives only
ther normal hydrogen atom consists of a proton nucleus and an orbital electron assume that the electron orbit is
1why is human memory subject to error 2 what might influence human memory 3 in light of the points that the loftus
the launching speed of a certain projectile is five times the speed it has at its maximum height calculate the