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a wind turbine is initially spinning at a fix angular speed as the winds strength gradually increases the turbine
the trap-jaw ant can snap its mandibles shut in as little as 11 x 10-4nbspsecond in order to shut both mandibles rotate
he area of a typical eardrum is about 50 multiplied by 10-5m2a compute the sound power incident on an eardrum at the
a soccer player horizontally kicks a ball of mass 0608 kilogram which is initially at rest the players foot is in
a plan convex lens with radius of curvature r 34 m is in contact by a flat plate of glass a light source and the
a small moon of a giant planet has an orbital period of 141 days and an orbital radius of 410 x 105 kilometer from
a 63-turn circular coil radius 49 cm with a total resistance of 69 omega is placed in a uniform magnetic field
the superman ride at magic mountain advertises a maximum speed of 100 mph find the kinetic energy in joules of a 3000
a 031 mev x-ray photon collides by an electron and scatters straight back the way that it came1 what is the energy of
a force f acts on an object undergoing a displacement s the force being oriented at an angle theta with respect to the
a sailor strikes the side of his ship just below the waterline he hears the echo of the sound reflected from the ocean
two objects attract each other gravitationally by a force of 25 x 10-10 n when they are 025m apart their total mass is
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