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Question: Describe the interference pattern that would arise if Isaac Newton had placed a strand of his hair in the ∼ 1 mm diameter beam of a helium-neon laser. If the pattern were projected onto a screen 2m from the hair, how far from the center of the pattern would the first three minima fall? (If you can, borrow someone's laser pointer and try the experiment; look carefully.)
The microwave radiation left over from the Big Bang explosion of the universe has an average energy density of 3.87 Ã- 10â€"14 J/m3
Discover the charge if the potential difference between two points that are 4.20 mm from the charge and 8.23 mm from the charge is 220.0V. Using the charge from part a, find the distance from the charge that two points are where the potential dissimi..
A certain lightbulb is rated at 75.0 W when operating at an rms voltage of 120 V. What is the resistance of the bulb
A meterstick moving at 0.931c relative to Earth approaches an observer at rest with respect to Earth. What is the meterstick's length, according to the observer
A proton has a velocity of v ?= (2.00x10^7 m/s)i ? when it encounters a magnetic field B ?= (0.0200T)j ?. What is the radius of the circular path the proton
One billiard ball is shot east at 3.0 m/s. A second, identical billiard ball is shot west at 1.0 m/s. What are the speed and direction of the first ball after the collision
The distance between adjacent charges on the perimeter of the square is d. What are the magnitude (in terms of q/d2) and direction of the electric field at the center of the square?
Mass of electron = 9.11 x 10-31 kg, h = 6.626 x 10-34 J.s, c = 3 x 108 m/s; 1 eV = 1.6 x 10-19 J, Mass of a proton or neutron = 1836 x mass of electron, Mass of aluminum atom = 26.9 amu, 1amu = 1.66 x10-27 kg.
What frequency is heard by an observer who hears the 450-Hz siren on a police car traveling at 35 m/s away from her
Snowboarder Sherry of mass m is pulled up a slope at constant velocity v by a tow bar. The force of the tow bar is parallel to the slope, find the force that the two bar exerts on Sherry
A man stands on the roof of a building of height 15.7m and throws a rock with a velocity of magnitude 26.3m/s at an angle of 25.0o above the horizontal. Calculate the maximum height above the roof reached by the rock
A 2.0 gram particle moving at 5.0 m/s makes a perfectly elastic head on collision with a resting 1.0 gram object. Calculate the speed of each particle after the collision
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