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Two narrow slits are utilized to produce a double-slit interference pattern with monochromatic light (λ = 680 nm). The slits are separated by 0.70 mm, and the interference pattern is projected onto a screen 5.5 m away from the slits. What is the distance among two nearby bright fringes on the screen and what is the distance among two nearby dark fringes on the screen? Assume the fringes are near the center of teh interference pattern.
a particle moves along the x axis. it is initially at the position 0.270 m moving with velocity 0.140 ms and
In a test laboratory, an electric engine is used to accelerate a wheel from rest. what is the average power output of the engine
A convex mirror has a focal length of -24cm. discover the magnification produced by the mirror when the object distance is (a) 5 cm and (b) 24cm.
When jumping, a flea reaches a takeoff speed of 1.2 m/s over a distance of 0.45mm, How long does the acceleration phase last
A bucket of mass 2.00 kg is whirled in a vertical circle of radius 1.10 m. At the lowest point of its motion the tension in the rope supporting the bucket is 25.0 N. Find the speed of the bucket
24.0g of copper pellets are removed from a 300 ? C oven and immediately dropped into 120mL of water at 24.0 ? C in an insulated cup. What will the new water temperature be
Telescopes can be networked together to give an apparent aperature equal to their separation. Telescopes on either side of Earth can be combined to give an aperature of 8000 miles, greatly improving resolving power. What is this technique called?
a verify that a photon of an fm radio signal with a frequency of 100 mhz has an energy of about 4e-7 ev.b in a typical
a person jumps from the roof of a house 3.4 high. when he strikes the ground below he bends his knees so that his torso
A projectile is projected from the origin with a velocity of 30.0 m/s at an angle of 45 degrees above the horizontal. What is the range of the projectile
A person with a mass of 103 kg is standing on a scale that reads weight in newtons inside of an elevator. If the elevator accelerates upward at 3.2 m/s2, what does the scale read.
The first sled is 30kg, connected with rope B to the second sled of mass 20 kg, connected with rope A to the first sled of mass 10 kg, which is being pulled by a rope of 137 N. Illustrate What is the tension in ropes A and B.
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