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A portion of a soap bubble appears yellow (λ = 588.0 nm in vacuum) when viewed at normal incidence in white light. Decide the two smallest, non-zero thicknesses for the soap film if its index of refraction is 1.40.
How fast must an electron move to have a kinetic energy equal to the energy of a photon of wavelength (l = 600 nm)?(The energy of the electron is assumed to benon-relativistic)
An elastic cord is 64 cm long when a weight of 56 N hangs from it and is 69 cm long when a weight of 83 N hangs from it. What is the "spring" constant of this elastic cord.
Length A is measured to be 7.5cm±0.3 cm and length B is 7.0cm±0.6cm. What is the difference between the two lengths, LB - LA
A coin placed on a turntable rotating at 37.9 rev/min will stay there if its center is placed no further than 8.5 cm from the axis of rotation. find the coefficient of friction between the coin and turntable
a particle is to move in an xy plane clockwise around the origin as seen from the positive side of the z axis. in
A hemispherical observation dome is proposed for a new tourist oceanarium and the owners want it as large as possible and as deep as possible. What is the maximum diameter y2 of the dome that is safe from seal failure
Suppose you're building a scale model of the hydrogen atom, How many miles away (1 mi = 1.61 Ã- 105 cm) should the electron be placed
Rocket-powered sleds are used to test the human response to acceleration. If a rocket-powered sled is accelerated to a speed of 444 m/s in 1.8 seconds, then what is the acceleration and what is the distance that the sled travels?
A daredevil decides to jump a canyon. Its walls are equallyhigh and 15 m apart. What minimum speed must he have in order to clear the canyon
An object moving to the right at 0.8c is struck head-on by a photon of wavelength lambda, moving to the left. Determine the ratio of the object's mass after the collision to its mass before the collision
Albert is pulling a 25.0 kg block up a hill which has an angle of ï?± = 15.50, calculate the work done by each force listed, and thus find the total work done on the block
the treasure map in the figure gives the following directions to the buried treasure start at the old oak tree walk due
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