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a constant force applied to object a causes it to accelerate at 6 ms2 the same force applied to object b causes an
a thin rod with uniform length per unit length lambda is bent into the shape of an arc of a circle of radius r the arc
a 40 kg mass is hung from a string which is wrapped around a cylindrical pulley a cylindrical shell as shown in fig 8-9
a car accelerates uniformly from rest and reaches a speed of 221 ms in 897 sa if the diameter of a tire is 575 cm find
a 50 g aluminum calorimeter contains wter at a temperature of 26 c when 75 gof lead at a temperature of 85 c is dropped
assuming that the magnetic field of the earth is like that of a short dipole buried at the center of the earth
a cart traveling at 03 ms collides with stationary object after the collision the cart rebounds in the opposite
a 01-kg object is traveling to the right in the positive direction with a speed of 3 ms after a 02 s collision the
a machine shop grinding wheel accelerates from rest with a constant angular acceleration of 23 rads2 for 71 s and is
a 5 n force acts on a 04-kg object for 03 seconds by how much does the objects momentum change in
a shell is launched at 140ms 560 degrees above the horizontal when it has reached its highest point it launches a
two children are carrying a 200-m long uniform level board with a mass 500 kg each supporting one end of the board a
two very large parallel sheets are 500 apart sheet carries a uniform surface charge density of -860 and sheet which
four point charges have the same magnitude of 257 10-12 c and are fixed to the corners of a square that is 420 cm on a
when scuba diving you must equalize the pressure inside your body with the water outside every few meters you dive
a what is the gauge pressure of ocean water at a depth of 736 m the density of ocean water is 1035 kgm3 kpab what is
a car moving at 36 ms passes a stationary police car whose siren has a frequency of 500 hz what is the change in the
a mass of 1000kg hangs at the end of a steel rod 50m in length the diameter of the rod is 8 cm and youngs modulus for
three electrons are aligned on a straight line and separations between them are 10 mm outer two electrons are fixed in
a 20 cm times 20 cm parallel-plate capacitor with a 20 mm spacing is charged to plusmn10 nc first a proton then an
a 100-g piece of styrofoam carries a net charge of -0700 c and suspended in equilibrium above the center of a large
an early model of the atom proposed by rutherford after his discovery of the atomic nucleus had a positive point charge
the stars aurigae a and aurigae b constitute a double-lined spectroscopic binary with an orbital period of 396 days
a visual binary has a parallax of 04 arcsec a maximum separation in arcsec of a60 and an orbital period p80 y what is
a cometary nucleus rotates rapidly and has an albedo a005 when its surface temperature reaches t150k the ice of which