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a mass of 1000kg hangs at the end of a steel rod 5.0m in length. The diameter of the rod is .8 cm and young's modulus for the rod is 210,000NM/m^2. what is the elongation of the rod?
Find the focal length of a glass lens that has an index of refraction equal to 1.66, a concave surface that has a radius of curvature of magnitude 108 cm
A basketball player makes a jump shot. The 0.606 kg ball is released at a height of 2.18 m above the floor with a speed of 7.26 m/s. What is the work done on the ball by air resistance, a nonconservative force
A 30 charge is moved from a point where = 150 to a point where = -70. How much work is done by the force that moves the charge
A photon with an initial wavelength of 1.150×10-11 m Compton scatters from an electron which is initially at rest. What is the kinetic energy of the scattered electron
when light of a wavelength of 200 nm is incident on a surface, What is the work function of the surface
A photon Compton scatters off of a stationary electron at an angle of 60 °. Determine the initial wavelength of the photon
A 20 kg loudspeaker is suspended 2.0m below the ceiling by two cables that are 30 degrees from vertical. what is the tension in the cables
A frictionless pulley has the shape of a uniform solid disk of mass 4.00 kg and radius 28.0cm. A 3.60 kg stone is attached to a very light wire that is wrapped around the rim of the pulley, and the stone is released from rest. As it falls down, the w..
If you were standing on a spinning turntable holding barbells close to your chest, how would your spin be affected? Why?
a 15-kg block rests on a level frictionless surface and is attatched by a light string to a 5.0-kg hanging mass, what is the tension in the connecting string
question 1 polymer diffusion the figure below indicates the result of a particle tracking experiment where lateral
A rocket burns fuel at a rate of 200 kg/s and exhausts the gas at a relative speed of 4.0 km/s. Find the thrust of the rocket
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