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a projectile proton with a speed of 350 ms collides elastically with a targetproton initially at rest the two protons
two blocks are moving along a horizontalfrictionless surface the 4 kg block is moving to the right with aspeed of 6 ms
a ball of mass 180 g is released from rest at a height of150 m above the floor and it rebounds straight up to a
a river flows from south to north at 525 kmh on this river a boat is heading eastto west perpendicular to the current
a suitcase full of platinum sits at thebottom of a lake a recovery diver finds that as he lifts thesuitcase to the
a piece of aluminum has a mass of23 g if this aluminum were formed into a very thin sheet ofthickness 049 mm find the
consider a box with a lid 22 m wide and088 m long if the inside of the box isevacuated ie its pressure is zero how much
an engineer is given the job of designing the water system for atall building he decides to locate the pumps at ground
you want to design a helium-filled balloon that will lift a totalpayload of 1350 kg what volume of heliumis needed to
a gold prospector finds a solid rock that is composed solely ofquartz and gold the mass and volume of the rock
a cylindrical storage tank has a radius of 125 m when filled to aheight of 328 m it holds 13300 kg of a liquid
in civil aviation a standard turn for level flight of apropeller driven airplane is one in which the airplane makes
rocio strikes a 058kg golf ball with a force of 272n and gives ita velocity of 620ms how long was ricio club in contact
you place 96 moles of hydrogen gas in aballoon of volume 26 m3 andfind the pressure to be 14 timesatmospheric pressure
lucy and her friend are working at an assembly plant marking wooden toy giraffes at the end of the line the giraffes go
the drawing shows a skateboarder moving at 598 ms along ahorizontal section of a track that is slanted upward by 438
a drop of water on a countertop reflects light from a flower held310 cm directly above it the flowersdiameter is 230 cm
a sled of mass 500 kg is pulled along flat snow-covered groundthe static friction coefficient is 030 and the kinetic
after landing on an unfamiliar planet a space explorer constructsa simple pendulum of length 500 cm the explorer finds
a slab ofmass m1 40 kg rests on africtionless floor and a block ofmass m2 10 kg rests on top of theslab between block
an air rifle uses aspring to shoot a 50 gram projectile straight up in the air thespring has a spring constant of 150
on a frictionless horizontal surface a 150 kg mass traveling at350 ms collides with and sticks to 300 kg mass that
when the difference in ph across the membrane of a glass electrode at 25 degrees celsius is 475 ph units a how much
the radius of curvature of a mirror is 12cm a diamond ring isreplaced in front of the mirror the image is 14 the
567 grams of metal is heated to 10000 celscuis and transferred to 1000 grams of watercs418jgc intially at 210 c in an