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You are given a slide with two slits cut into it and asked how far apart the slits are. You shine white light on the slide and notice the first-order color spectrum that is created on a screen 4.40 m away. On the screen, the red light with a wavelength of 688 nm is separated from the violet light with a wavelength of 391 nm by 6.60 mm. What is the separation of the two slits?
Two blocks are connected by a string. The smooth inclined surface makes an angle of 35 degree with the horizontal, Find the magnitude of the hanging block''s acceleration
A trombone has an effective length of 160 cm and the speed of sound in air is 345 m/s. Notes are selected by moving a U-shaped tube in or out to change effective length of the trombone.
If a roadway is banked at the proper angle, a car can round a corner without any assistance from friction between the tires and the road
question a diver pushes off horizontally from the top of a vertical cliff that is 40.0 m high from water surface below.
two coconuts fall from rest at the same time one from a tree twice as high as the other.1-if the coconut from the
Use graphical techniques to find out the direction of the dog’s resultant displacement vector. Give the direction of the resultant displacement in degrees (out of 360).
a particle is moving along a straight line with the acceleration a 12t-3t12fts2 where t is in seconds.determine the
A ball experiences a change in momentum of 12.5 N·s. If the time of interaction is 0.18 s, what is the magnitude of the average force acting on the ball
A jet airplane flying over Chyenne, Wyoming, has an air speed of 260 m/s in a direction 5.0 degrees south of west. What is the velocity of the airplance relative to the earth
A 2.0-kg piece of marble at 100 degree C is dropped into 1.5 kg of water at 1.0 degree C, What is the specific heat of the marble
you connect five identical resistors in series to a battery whose emf is 12.0 v and whose internal resistance is
A 100 cm long, 1.2 mm diameter steel guitar string must be tightened to a tension of 1700 N by turning the tuning screws. By how much is the string stretched
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