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a nuclear power plant generates 3000 mw of energy from nuclear reactions in reactors core this energy is used to boil
a kid of mass 30 kg is initially at the center of a merry-go-round which we can model as a uniform disk the mass of the
a 100kg mass is connected to a spring with a spring constant of 400 nm the displacement is given by the expression x
a horizontal segment of a pipe carrying water tapers from a cross sectional area of 50 cm2 to 500 cm2 the pressure at
a metallic sphere initially has a charge of 860 nc a negatively charged rod has a charge of -60 nc when the rod touches
a 9900 g block of wood rests on a tabletop a 100 g bullet is shot straight up through a hole in the table beneath the
when a container is filled to the brim with liquid what happens when the temperature rises you are doing a controlled
a diver has a birthmark of area 20 cm2 when the birthmark is 40 meters beneath the surface of the pool what is the
silicon at room temperature is doped with impurityconcentrations of nd 5 x 1016cm-3and na2 x 1016cm-3a what are the
a top spins at 30 revs about an axis that makes an angle of 30 deg with the vertical the mass of the top is 50 kg its
assume that if the shear stress in steel exceeds about400108nm2 the steel rupturesa determine the shearing force
a quarterback takes the ball from the line of scrimmage runs backwards for 90 yards then runs sideways parallel to the
a high diver of mass 650 kg steps off a board 100 m above the water and falls vertical to the water starting from rest
an 95 g ice cube at -10degc is put intoa thermos flask containing 200cm3 of water at 20degc byhow much has the entropy
a illustrate the cross section view of n-channel mosfetb plot the i-v curve and discuss its key parametersc what is the
consider an oxide-to-n-type silicon junction at room temperature the impurity doping concentration in the silicon is
the surface of the drum of a laser printer is negatively charged except in certain print black regions such as
a large cruise ship of mass670107kg has a speed of108ms at some instanta what is the ships kinetic energy at this
a space capsule measures the radiation pressure p1 a distance r1 from the center of a spherical light source if the
the propellers of a wwii destroyer produced a thrust of 265 mn to drive the ship at a top speed of 17 ms if the engines
during a storm a tree limb breaks off and comes to rest across a barbed wire fence at a point that is not in the middle
an astronaut weighs 85 n on the moon where the acceleration of gravity is 162 ms2 how much in n does she weigh on
the drawing shows an adiabatically isolated cylinder that is divided initially into two identical parts by an adiabatic
a 35 kg boy sits atop a sphere of frictionless ice of radius r20m he begins to slide and eventually falls off how far
a bullet is fired through a board that is 150 cm thick the bullet moves along a direction perpendicular to the board