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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
the length of a simple pendulum is 085 m and the mass of the particle the bob at the end of the cable is 029 kg the
an unknown gas is introduced into the aforementioned apparatus using the same tuning fork and the first resonance