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two long parallel wires carry unequal currents in the similar direction the ratio of the currents is 3 to 1 the
1 a copper wire of length 25 cm is in a magnetic field of 020t if it has mass of 10g what is the minimum current during
a phone cord is 500 m long the cord has a mass of 0200 kg a transverse wave pulse is produced by plucking one end of
an atomic clock moves at 1600 kmh for300 h as gauged by an identical clock on the earth how many nanoseconds slow will
a single slit with a width of 0100 mm is illuminated by light by a wavelength 610 nma what is the angular location of
two particles having oppositely signed charges of 12 nc are placed at two of the vertices of an equilateral triangle
a long narrow rectangular loop of wire is moving toward the bottom of the page by a speed of 0019 ms the loop is
in a lab you have a sample of oxygen gas with a volume of 1000cmnbsp 3100l at a temperature of 400oc and a pressure of
a projectile is shot on level ground with a horizontal velocity of 20 ms and a vertical velocity of 42 ms how much
rods of copper brass and steel are welded together to form a y-shaped figure the cross-sectional area of each rod is
a piece of copper wire is formed into a single circular loop of radius 13 cm a magnetic field is oriented parallel to
can a proton plus a proton yield a proton plus a proton plus a proton plus an antiproton if so what would be the
1 a reflecting spherical christmas tree ornament has a diameter of 20cm a child looks at the ornament from a distance
an 80-kg man is one fourth of the way up a 10-m ladder that is resting against a smooth frictionless wall if the ladder
an airplane flying at a distance of 30 km from a radio transmitter receives a signal of intensity 25 microwm2 the
the half life of 14c is 5730 years what fraction of the 14c nuclei in a sample are left after 7180 yearsthe amount of
mars has a net electric flux 363 x 1016 at the planetrsquos surface compute the total electric charge on the planet
a projectile of a mass of 0650 kg is shot straight up with an initial speed of 160 ms find1 how high it would go if
to focus a camera on objects at dissimilar distances the converging lens is moved toward or away from the film so a
a person starts from rest at the top of a large frictionless spherical and slides into the water elow at what angle
a pitcher throws a 0140 kg baseball and it approaches a bat at 300 ms the bat does wnc700j work on the ball in hitting
a 145 g copper bowl contains195 g of water both at 200degc avery hot 300 g copper cylinder is dropped into the water
the force constant of a spring is 600 nm and the unscratched length is 072 m a 32-kg block is suspended from the spring
the waves from a radio station can reach a home receiver by two dissimilar paths one is a straight-line path from the
two large parallel conducting plates are 8 cm apart and carry equal however opposite charges on their facing surfaces