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capacitors c1 40 microf andc2 20 microf are charged as aseries combination across a 60 v batterythe two capacitors
consider an rc circuit in which the capacitor is beingcharged by a battery connected in the circuit after a time
a magnetic field is perpendicular to the plane of a single-turncircular coil the magnitude of the field is changing so
one of the new events in the 2002 winter olympics was thesport of skeleton starting at the top of a steep icy tracka
a 5-a current is maintained in a simple circuit that consistsof a resistor between the terminals of an idealbattery
high speed stroboscopic photographs show that the head of a200 g golf club is traveling at 55 ms just before it strikes
the earth circumference is 4107 m and the mooncircumference is 27 as large the moon mass is 123 of the earthmass using
a 9500 kg boxcar traveling at 16 ms strikes a second car the two stick together and move off with a speed of 60 ms what
a 150 kg water balloon is shot straight up with an initialspeed of 500 msa what is the kinetic energy of the balloon
a in 1975 the roof of montreals velodrome with a weight of360 kn was lifted by 10 cm so that it could be cetered how
a floating ice block is pushed through a displacement vector d 15 mi - 12 mj along a straight embankment by rushing
a 870-kg man is riding an escalator in a shopping mallthe escalator moves the man at a constant velocity from
the space shuttle releases a satelliteinto a circular orbit 640 km above the earth how fast must the shuttle be moving
if the inner accretion disk around a black hole has atemperature of 106 k at what wavelength will it radiate the most
the uncertainty of the position of an electronis 046nm calculate the minimal uncertainty of its
a beam of light has a frequency of 367x1015 hz itis projected into a metal electrons are liberated with a maximumenergy
the acceleration of gravity on mars is 37 ms2 if anastronaut can jump upward 20cm on the earths surface how high could
a rifle with a barrel length of 610 cmfires a 100 g bulletwith a horizontal speed of 360 rm ms the bullet strikes a
on the apollo 14 mission to the moon astronaut alan shepard hit agolf ball with a 6 iron the acceleration due to
two children use a homemadetelephone consisting of two paper cups connected by an aluminumwire which is 84 m longa
a girl throws a ball at a vertical wall 4 m away the ball is2 m above the ground when it leaves the girls hand with an
a uniformly charged thin ring has a radius 150 cm and has totalcharge 240nc an electron is placed on the rings axis a
a shot-putter accelerates a 73 kg shot from rest to 14 ms if this motion takes 20 s what average power was
an airplane accelerates down the runway assume the jetengines exerts a constant force on the airplane and assume
a certain kind of glass has an index of refraction of 1650for blue light of wavelength 430nm and an index of 1615 for