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a 50 kilogram pitching machine excluding the baseball is located on a frozen pond the machine fires a 040 kilogram
a 0060 kilogram tennis ball initially moving at a speed of 12 ms is struck by a racket causing it to rebound in the
during a workout the football players at rutgers state university ran up the stadium stairs at a steady pace in 52
an automobile of mass 1520 kilogram traveling at 24 ms is at the foot of a hill that rises 130 meter in 26 kilometer at
an astronaut on the moon fires a projectile from a launcher on a level surface therefore as to get the maximum range if
a handball of mass 010 kilogram traveling horizontally at 30 ms strikes a wall and rebounds at 24 ms find what is the
two identical 1500 kilogram cars are moving perpendicular to each other one moves with a speed of 25 ms due north and
determine the momentum of a 2000 kilogram truck traveling at 35 msa 1200 kilogram ferryboat is moving south at 20 ms
a swimmer maintains a speed of 015 ms relative to the water when he swims directly toward the opposite shore of a river
a ferris wheel with a radius of 81 meter rotates at a constant rate completing one revolution every 45 seconda obtain
find what is the minimum work needed to push a 950 kilogram car 810 meter up along a 9 degree incline neglect
high voltage power lines are a familiar sight throughout the country the aluminum wire used for some of these lines has
current is set up through a truncated right circular cone of resistivity 731 omega-m left radius a200 millimeter right
a airplane travelling at 52 ms w down a runway begins accelerating uniformly at 28 ms squared w find what is the planes
a jet rises vertically caring a load of concrete to make the foundation for a ski lift a 35 kilogram bag of concrete is
at the center of a 70 meter diameter circular ice rink a 82 kilogram skater traveling north at 241 ms collides with and
a tennis player swings her 1090 gram racket with a speed of 102 ms she hits a 53 gram tennis ball that was approaching
assume a slide similar to the der stuka is 350 meters high but is a straight slope inclined at 45o with respect to the
in an automobile engine a piston moves in shm with amplitude of 0390 m the engine is running at2400 rpm which is an
the duchess has set up a pendulum in the door to her house by tying a string of 15 meter length to a ball of mass 09
during alices examination to become a queen the red queen asks two questions answer them for alicea determine under
consider a conical pendulum with a 840 kilogram bob on a 100 meter wire making an angle of theta 300 degree with the
the radius of the earths very nearly circular orbit around the sun is 15 x 1011 metercompute the magnitude of the earth
when chasing a hare along a flat stretch of ground greyhound leaps into the air at a speed of 100 ms at an angle of 31
a rock climber throws a small first aid kit to another climber who is higher up the mountain the initial velocity of