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a bullet of mass 105 g is fired into aninitially stationary block and comes to rest in the block theblock of mass 080
emma is analyzing a sample which contains some zinc in it the sample is 198 g she reacts it with an excess of
a movie camera with a single lens of focallength 75 mm takes a picture ofa person standing 34 m away if the person is
a hand exerts a constant horizontal force on a block that isfree to slide on a frictionless surface the block start
determine the wavelength in nm of the photon required to ionize one atom of lithium ie1 520 kjmol with what region of
during basketball parctice shane made a jump shot releasing a060-kg basketball from his hands at a height of 20-m above
a 50-kg satellite circles the earth in an orbit with a period of120 min what minimum energy is required to change the
a solution is made by mixing 250 ml of 20 m sodium sulfate with 500 ml of 050 m sodium sulfate assuming that
a certain object has a mass in air of 0422 kg and a mass whensubmerged in benzene dbenzene 090 x 103 kgm3 of 0367 kg
a three-legged wooden bar stool made out of solid douglas firhas legs that are 25 cm in diameter when a 70 kg man sits
the decomposition xy is second order in xy and has a rate of 702 e-3 m-1 s-1 at a certain temperaturea what is the
a wire has a current density of 170 amm2 if thedrift velocity is 40 x 10-8 ms how many free electrons does the wire
abullet of mass m 0010 kg andspeed v passescompletely through a pendulum bob of mass m 12 kg thebullet emerges with a
two parallel plates having charges of equal magnitude but oppositesign are separated by 12cm each plate has a charge
when 204 grams of the strong electrolyte sodium phosphate are dissolved in 143 grams of watera what is the molality of
a uniform solid sphere of radius r 050 m and a mass 15 kgrotates about the z-axis through its center find its angular
in the park a mom pushes tangentially on a hand-drivenmerry-go-round and is able to accelerate it from rest to
imagine that you have a 650 l gas tank and a 400 l gas tank you need to fill one tank with oxygen and the other with
2 kg mass is slidingover a frictionless surface with a velocity of 7 ms when itenocunters a frictionless ramp as shown
a fireworks rocket is launched vertically into the night dky with an initial speed of 476ms the rocket coasts after
monel metal is a corrosion-resistant copper-nickel alloy used in the electronics industry a particular alloy with a
an engine absorbs 1695 j from a hotreservoir and expels 1204 j to a coldreservoir in each cyclea what is the engines
a 100 kg box is pulled by a rope in the direction 20 degreesabove the horizontal the box is moving in horizontal
the following data were obtained from experiments to find the molecular formula of procaine a local anesthetic which