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A certain crystal has a set of planes 0.31 nm apart. A beam of neutrons strikes the crystal at normal incidence and the first maximum of the diffraction pattern occurs at phi = 36°. What is the de Broglie wavelength of the neutrons?
A particle with a charge of -60.0 nC is placed at the center of a nonconducting spherical shell of inner radius 20.0 cm and outer radius 24.0 cm, Calculate the speed of the proton
After a tornado, a 0.55g straw was found embedded 2.6cm into the trunk of a tree. If the average force exerted on the straw by the tree was 70 N, what was the speed of the straw when it hit the tree.
A steel washer is suspended inside an empty shipping crate from a light string attached to the top of the crate, What is the coefficient of kinetic friction between the ramp and the crate
A particle moving along the x-axis has its position described by the function x =( 5.00 t3? 3.00 t+ 2.00 )m, what are the particle's position, velocity and acceleration
The acceleration of a bus is given by ax(t)=?t, where ? = 1.26m/s3 is a constant, If the bus's position at time t1 = 1.12s is 6.01m , what is its position at time t2 = 2.13s
An Earth satellite moves in a circular orbit 644 km above Earth's surface with a period of 97.40 min, What are the magnitude of the centripetal acceleration of the satellite
A block of mass m = 331 g is dragged with a string across a rough horizontal table. The string tension is T = 3.27 N, What is the power supplied by the force of friction
Vector A, which is directed along an x axis, is to be added to vector Bvec , which has a magnitude of 3.0 m, with a magnitude that is 5 times that of A, What is the magnitude of A
A loudspeaker of mass 20.00 {rm kg} is suspended the distance of h = 2.40 {rm m} below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 3.50 {rm m}.
Find out the maximum elevation of the ball.
An inexperienced hunter shoots at a squirrel sitting in a tree. The squirrel is sitting on a branch that is 22 m above the gun barrel, Write the initial velocity of the bullet in vector form
A car of mass 1200 kg turns a corner inclined at 55 deg at a speed of 20 m/s. What is the maximum radius for the curve at which the car will not slide down the incline
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