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an astronaut exploring a distant solar system lands on an unnamed planet with a radius of 3900km when the astronaut
a 300-microf and a 500-microf capacitor are connected in series across a 300-v battery a 600 microf capacitor is then
a man with a mass of 59 kg stands up in a 73-kg canoe of length 40 m floating on water he walks from a point 075 m from
a box of books weighing 302 n is shoved across the floor of an apartment by a force of 401 n exerted downward at an
a 43-kg bucket of water is raised from a well by a rope if the upward acceleration of the bucket is 29 ms2 find the
a cylinder of diameter d floats with l of its length submerged the total height is l assume no damping at time t 0 the
two stars in a binary system orbit around their center of mass the centers of the two stars are 711x1011 m apart the
a 615-kg person running horizontally with a velocity of 399 ms jumps onto a 162-kg sled that is initially at resta
a cue ball mass 0165 kg is at rest on a frictionless pool table the ball is hit dead center by a pool stick which
a golf ball strikes a hard smooth floor at an angle of 290 deg and as the drawing shows rebounds at the same angle the
a stream of water strikes a stationary turbine blade horizontally as the drawing illustrates the incident water stream
two arrows are fired simultaneously with the same speed of 300 ms each arrow has a mass of 0100 kg one is fired due
determine the force p needed to support the 100-lb weight each pulley has a weight of 10 lb also what are the cord
a dockworker applies a constant horizontal force of 730 n to a block of ice on a smooth horizontal floor the frictional
supercapacitors with capacitances of 1 f or more are made with plates that have a spongelike structure with a very
the asteroid has a radius of about 970 kma assuming that the density of the asteroid is the same as that of the earth
a 72 kg crate is dragged across a floor by pulling on a rope attached to the crate and inclined 15deg above the
your spaceship lands on an unknown planet to determine the characteristics of this planet you drop a 140 kg wrench from
a uniform steel plate has an area of 0947 m2 when subjected to a temperature difference between its sides a heat
an 850 kg point mass and a 125 kg point mass are held in place 500 cm apart a particle of mass is released from a point
a 2540 kg satellite used in a cellular telephone network is in a circular orbit at a height of 800km above the surface
while a person is walking his arms swing through approximately a 450 degree angle in 0530 s as a reasonable
a certain playground merry-go-round is essentially an 80-kg iron disk 20 m in radius two children each with a mass of
a charged isolated metal sphere of diameter 260 cm has a potential of 8400 v relative to v 0 at infinity calculate the
a 6 kg bowling ball with a radius of 12 cm rolls in a straight line past you at a speed of 3 ms at its point of closest