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a room has dimensions 258 m height times 589 m times 633m a fly starting at one corner flies around ending up at
a freight train has a mass of 13 107 kg if thelocomotive can exert a constant pull of 82 105 how long doesit take to
determine the tangetial and centripetal components of the netforce exerted on the car when its speed is 15 ms the cars
it is common to see birds of prey rising upward on thermalsthe paths they take may be spiral-like you can model the
a hot-air ballonist rising vertically with a constant velocityof 500 ms releases a sandbag at an instant when the
an event occursin system k at x 2m y35mz 35 m and t0 system k and k have their axes coincident attt0 and system k
three blocks of mass 20 kg 80kg and 150 kg are connected by light strings passing over frictionless pulleys the 20 kg
a crate is resting on a ramp that is inclined at an angleabove the horizontal as the angle is incrased the crateremains
a 205 kg log is pulled up a ramp by means of a rope that isparallel to the surface of the ramp the ramp is inclined
a girl is whirling a ball on a string around her head in ahorizontal plane she wants to let go at precisely the right
the 1994 winter olympics include theaerials competition in skiing in this event skiers speed down aramp that slopes
a child pulls a 700 kg sled along a flat surface the coefficient friction between the sled and the snow is 0100 the
the coefficient of static frictionbetween hard rubber and normal street pavement is about 08 on how steep a hill
a body is released from rest a long way from the centre of theearth with what velocity will it hit the earth describe
a boat with initial velocity of vo is slowed by africtional force f -beava find the motion xtb find the time and
an arrow starting from rest leaves the bow with a speed of25 ms if the average force exerted on the arrow by the
you are riding in an elevator on the way to the eighteenthfloor of your dormitory the elevator is accelerating
two resistors connected in series with each other and a 18 vbattery are connected in a loop the voltage drop across
a small button placed on a horizontal rotating platform withdiameter 0320m will revolve with the platform when it is
you are to make four straight-line moves over a flat desert floorstarting at the origin of an xy coordinatesystem and
a particle with charge of 4 microcoloumbs is at the origin another identical particle is placed 2 m from the origin on
in what part of the em spectrum would a photon of energy 95 x10-25j be found what is its energy in electron
calculate the change in internal energy for each of the following systemsa 100 joules of energy is added to a system
the longest recorded pass in an nfl game traveled 83 yards in theair from the quarterback to the receiver assuming that
the earth orbits the sun once a year 316 x 107 s in a nearlycircular orbit of radius 150 x 1011 m with respect to the