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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.)
An automobile moving at 15 m/s is approaching a factory whistle that has a frequency of 500 Hertz. Find what is the apparent frequency of the whistle as heard by the driver
When a ball is made to roll on an inclined plane, does the acceleration of the ball change with the angle of the inclined plane? Why or why not?
Red light of wavelength 700 nm in vacuum enters diamond (n=2.4). The wavelength of light inside the glass is now
an aircraft weighing 840 n is accelerated at 8.3 mss for 5 seconds at which time the aircraft launches. assume the
A thin glass rod forms a semicircle of radius r = 3.03 cm. Charge is uniformly distributed along the rod, with +q = 1.05 pC in the upper half and -q = -1.05 pC in the lower half
The front 1.20 m of a 1600 kg car is designed as a "crumple zone" that collapses to absorb the shock of a collision.
Knowing there is no slipping between the wheels and the baseball, determine the angular velocities of wheels A and B. (Diameter of A and B is 7 inches, separated by 3 inches for the baseball).
An arrow is shot 30 degrees above horizontal with an initialvelocity of 49 meters/second. What is the maximum height the arrow reaches.
A 60.0kg athlete runs up a flight of 25 steps, each 20.Ocm high, in 10.0s. Calculate the work done by gravity on the athlete
A worker pushed a 27 kg block9.2m along a level floor at constant speed with a force directed27°below the horizontal. If the coefficient of kinetic friction is 0.20, how much work was done by the worker's force?
A 1200 car is moving on the freeway at 60.0 . What is the magnitude of its momentum in SI units? What is the magnitude of its kinetic energy in SI units. how much kinetic energy does it have
The desperate contestants on a TV survival show are very hungry. The only food they can see is some fruit hanging on a branch high in a tree. Fortunately, they have a spring they can use to launch a rock.
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