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A long string of tension T and mass density η is attached to a small sphere of mass m. Another identical string is attached to the other side of the mass (with the same tension). An incident wave yi (x,t) = A exp (i(kx-wt)) is coming from the left of the mass.
What is the displacement of the string on the right side of the mass, yt(x,t)? Ignore the effects of gravity.
what is the diameter of the copper rod. Pull horizontally on a crate with a force of 140 N and it slides across the floor in a dynamic equilibrium. How much friction is acting on crate.
The lens has a refractive index of 1.30. Find out the difference Δx in the positions where each crosses the principal axis.
A plank 2.00 cm thick and 15.1 cm wide is firmly attached to the railing of a ship by clamps so that the rest of the board extends 2.00 m horizontally over the sea below. find the shear modulus of the wood
Clarify how Einstein's contribution to understanding the force between the earth and the moon differed from Newton's. Include a short statement of Einstein's explanation in the answer.
A stuntman drives a car over the top of a hill, the cross section of which can be approximated by a circle of radius 160 m. What is the greatest speed at which he can drive without the car leaving the road at the top of the hill?
What must be the value of the putty mass m so that the amplitude after the collision is one-half the original amplitude.
A slab of glass with an index of refraction of 1.55 is submerged in a liquid with an index of refraction of 1.25. Find the angle of refraction for the angle of incidence of 60°
The refractive indices of materials A and B have a ratio of nA/nB = 1.66. What is the speed of light in material B
Analyse the instantaneous velocity of the car
The concrete wall of a building is 0.136 m thick. The temperature inside the building is 22.3 °C, while the temperature outside is 0.0 °C. What is the emissivity of the wall
14 electrons are placed on a metal sphere. if the potential of the sphere is -38 V, what is the radius?
A toy train is pushed forward and released at = 2.0 with a speed of 1.5 . It rolls at a steady speed for 2.8 , then one wheel begins to stick. The train comes to a stop 5.6 from the point at which it was released. Elucidate the train's accelera..
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