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the force of a bullet is given by theformula f830-35105 s-1t n over the time interval t0 andt4010-3 sa determine the
according to the guinness book of world records 1990 thehighest rotary speed ever attained was 2010 ms 4500 mph
what uniform magnetic field applied perpendicular to a beam of electrons moving at 23106 ms is required to make the
the maximum wavelength for which an electromagnetic wave can ejectelectrons from a platinum surface is 196 nm when
why is it important for glaucon and aedimantus to make as strong an argument as possible for injustice how does making
a 92-kg fullback running at 50 msattempts to dive directlyacross the goal line for a touchdown just as he reaches the
what is the mission of rome to the world as decribed in book vi of the aeneid relate this goal to the actions of aeneas
a 1200 kg two-stage rocket is traveling at aspeed of 690103 ms away from the earth when a predesigned explosion
a centrifuge is a device in which a small container of material is rotated at a high speed on a circular path such a
a tennis ball of mass m080kg and speed v30ms strikesa wall at a 45 degree angle and rebounds with the same speed at
an object at rest is suddenly broken apart into twofragments by an explosion one fragment acquires twice thekinetic
a 0200 kg plastic ball moves with a velocity of 030 ms itcollides with a second plastic ball of mass 0100 kg which
a 350 g aluminum cupcontains 750 g of water inthermal equilibrium with the cup at 65degc the combination of cup and
a box of negligible mass rests at the left end of a 206-m 265-kg plank seefigure the width of the box is w 689 cm and
a 1400-kg sports car accelerates from rest to 95kmh in74s what is the average prower delivered by the
a boy throws directly downward an ideally elastic ball from theheight 480m the ball is being bounced from the floor
while a mass of 2kg is on a flat surface a parallel force f pusheson it that it moves along the surface at a angle of
a man swings froma rope on the top of a building that is30 meters high he is standing at 10 meters high what is his
the rotor is an amusement park ride where people stand against theinside wall of a cylinder once the cylinder is
the output voltage of an ac generator is given by deltav 780 v sin 30pit the generator is connected across a 0900 h
nancy pulls on a light box resting on a frictionlesssurface with a 6 newton force northwardedward pulls with a 4newton
a charge of q is located atthe origin while an identical charge is located on the xaxis at x 050 m a thirdcharge of 5q
a ball has a density of 900 kgm3 and its volume is003m3 to submerge in water the ball must be held downby the force
a horizontal conductor in a power line carries a current of5000 a from south to north earthsmagnetic field 600 microt
in a 832 km race one runner runs at a steady 1211 kmh and another runs at 1432 kmh how long does the faster runner have