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A disk with evenly spaced holes along the edge turns such that a light, which travels through one hole, reflects of a distant mirror and returns through the adjacent hole on the wheel. If the distance to the mirror is 10.0km and the speed of light is 3.0x10^8 m/s, find the angular speed of the disk that has 360 evenly spaced holes and a radius of 0.80m
A 75-kg piece of metal has specific heat 430 J/kg°C and is initially at 950°C. To cool it down, it is dunked into 710 kg of oil that has a temperature of 32°C and specific heat of 2700 J/kg°C. Assuming that heat flows only between the oil and the m..
Your adventurous friend Lola goes bungee jumping. She leaps from a bridge that is 100 m above a river. WHat is her height above the river at her lowest point
A simple harmonic oscillator is described mathematically by x=0.25 sin(4.2pt +0.54px), What are the amplitude, speed and period of the wave
1 a duck has a mass of 2.0 kg. as the duck paddles a force of 0.06 n acts on it in a direction due east. in addition
in a modified tug-of-war game two people pull in opposite directions not on a rope but on a 23.9-kg sled resting on a
A particle of mass M decays into two identical particles each of mass m, where m = 0.4M. Prior to the decay, the particle of mass M has a total energy of 4 Mc2 in the laboratory reference frame. The velocities of decay product are along the directi..
Consider a solution to Schrodinger's time independent equation-\(\psi(x)=Ae^{-\alpha(x^{2})}\)
An arrow is shot vertically upward and then 2.06 s later passes the top of a tree 41.3 m high. How much longer will the arrow travel upward
Light of wavelength 730 nm illuminates a pair of slits separated by 0.200 mm. determine the distance between the first and second dark fringes
a 63.0kg skater moving initially at 2.40ms on rough horizontal ice comes to rest uniformly in 3.41s due to friction
A typical American house requires an average 20 kW for heating. Explain how many homes could be heated with the waste heat of this one power plant?
the trummelbach waterfall in switzerland has a height of approximately 400 m. assuming that all of the available
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