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the volume of an ideal gas changes from 40 to 56 cm3 although its pressure remains constant at 50000 pa what work is
once you make a 100ml of 02m solution with 2422 g of substance if you take 10 ml of that solution you just made and add
in 0784 s a 111-kg block is pulled through a distance of 471 m on a frictionless horizontal surface starting from rest
the length of a simple pendulum is 086 m and the mass of the particle the bob at the end of the cable is 033 kg the
the front spring of a cars suspension system has a spring constant of 232 x 106 nm and supports a mass of 183 kg the
calculate the probability of an electron in the ground state of the hydrogen atom being inside the region of the proton
a 020-kg object attached to the end of a string swings in a vertical circle radius 80 cm at the top of the circle the
if a ship loaded when floating in fresh water to a weight of 50000 metric tons were floated in sea water of specific
a 6500 kg helicopter accelerates upward at 059 ms2 while lifting a 1210 kg cara what is the lift force exerted by the
a cannon of mass 517 x 10 3 kg is rigidly bolted to the earth so it can recoil only by a negligible amount the cannon
an airplane is heading due south at a speed of 580 kmh if a wind begins blowing from the southwest at a speed of 900
a magnetic field b crosses a plane boundary between two lih magnetic materials in the first material of relative
consider two dipoles p1 oriented along z at the origin and p2 oriented along x at a distance r in the x-y plane given
in the absence of air resistance a projectile is launched from and returns to ground level it follows a trajectory
a soccer player kicks the ball toward a goal that is 370 m in front of him the ball leaves his foot at a speed of 288
a factory worker pushes a 287 crate a distance of 49 along a level floor at constant velocity by pushing downward at an
a student of mass m 49 kg wants to measure the mass of a playground merry-go-round which consists of a solid metal
inside of a nucleus nucleons protons and neutrons are confined within dimensions of 15x10-15m treating nucleons are
can a system whose momentum is conserved be made up of smaller systems whose individual momenta are not conserved
a 05 m3 rigid vessel initially contains saturated liquid-vapor mixture of water at 100deg c the water is now heated
a ballistic pendulum consists of an arm of mass m and length l 051 m one end of the arm is pivoted so that the arm
a temperature controller designed to work in an atmosphere containing steam a bimetallic strip of brass and steel built
gold which has a density of 1932 gcm3 is the most ductile metal and can be pressed into a thin leaf or drawn out into a
a child builds a simple cart consisting of a 060 m by 120 m sheet of plywood of mass 85 kg and four wheels each 200 cm
for a particle on in a box running between x0 and x1 the function cosn pi x is not a satisfactory solution the function