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a cylinder of cross-sectional area 11 cm2 is fitted with a piston which is connected to a spring with a spring constant
consider the light beam shown in the figure where d 173 cm and 135dega how many times does the light beam reflect
the storage of radioactive waste is a massive problem in the nuclear industry one problem that scientists must take
two mirrors form a vertex with an angle of 128deg if a ray of light strikes mirror 1 with an angle of incidence of
if it takes light 8 ns to travel 1655 m in an optical cable what is the index of refraction of the
during an adiabatic process the temperature of 600 moles of a monatomic ideal gas drops from 565degc to 227degc find
assume a billiard ball is a solid sphere its radius is 3 cm and mass is 500 grams the coefficient of static friction
you are coating a glass lens of index of refraction 16 with a film of material of index of refraction 17 you start with
a hollow sphere of mass 6 kg and radius 12 meters is rolling without slipping on a horizontal surface with a velocity
in a simple model of the hydrogen atom the electron moves in a circular orbit of radius 0053 nm around a stationary
a baseball pitcher can throw a fastball at a speed of 150 kmhr what is the largest size spherical asteriod of density
at a certain distance from the center of the earth a 40- object has a weight of 30 if the object is now moved twice as
a a man applies a force of f 300 102 n at an angle of 600deg to a door x 190 m from the hinges find the torque on
relative to waiting line models a what is meant by the terms single-channel system and multiple-channel system if a
a person exerts a force of 68n on the end of a door 75cm widea what is the magnitude of the torque if the force is
a 150-kg iron horseshoe initially at 670degc is dropped into a bucket containing 220 kg of water at 260degc what is the
the tires of a car make 55 revolutions as the car reduces its speed uniformly from 86kmh to 50kmh the tires have a
what is the launch speed of a projectile that rises vertically above the earth to an altitude equal to 14 before coming
a pendulum consists of a uniform disk with radius 10 cm and mass 350 g attached to a uniform rod with length 500 mm and
a 34cm diameter wheel accelerates uniformly about its center from 130rpm to 370rpm in 48sa determine its angular
suppose the asteroid starts from rest at a great distance effectively infinity falling toward earth how much work would
a steel wire 410m long has a mass of 610times102 kg and is stretched with a tension of 1260n what is the speed of
a stamp collector views a 15 cm tall stamp through a magnifying glass the magnifying glass is a converging lens with a
a fisherman notices that his boat is moving up and down periodically owing to waves on the surface of the water it
a 19-kg block is hanging stationary from the end of a vertical spring that is attached to the ceiling the elastic