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A grating has 350 rulings/mm and is illuminated at normal incidence by white light. A spectrum is formed on a screen 30cm from the grating. If a hole 10mm square hole is cut in the screen, its inner edge being 50mm from the central maximum, what range of wavelength passes throught the hole?
An 8g bullet is fired at a speed of 216 m/s into a 190 g block that is initially at rest at the edge of a table of 1m height. The bullet fully embeds itself in the block before the bullet-block system launches off the table. How far in the x-direc..
What minimum force is necessary to start the block moving up the wall? (Hint: The static frictional force is now directed down the wall.)
A mercury barometer reads 735.0 mm on the roof of a building and 764.5 mm on the ground. determine the height of the building
A cubic centimeter in a typical cumulus cloud contains 50 to 500 water drops, which have a typical radius of 10 µm. How much mass does the water in the cloud have
A horizontal force of magnitude 100 N begins to pull directly on block. In unit-vector notation, what are the resulting accelerations of (a) block and (b) slab.
Laser ligh can be focused (at best) to a spot with a redius [r] equal to its wavelength ([lamba]). Suppose that a 1.0 W beam of green laser light, Estimate the acceleration of the particle
An electron is brought to a point 0.1 m from the center of the sphere. What is the force acting on the electron (magnitude and direction) ? What is the electric field (magnitude and direction ) at the point where the electron is located
What is the minimum pressing force that must be used.
You have two parallel wires with current flowing in opposite directions, If each current is 2A, and the distance between the two wires is 0.5m, what is the force per meter between the wires
What is the spring constant (k) of the bungee cord.At what time will the object be moving with a speed of 15 m/s.
Two balls are released simultaneously from the top of a tall building. Ball A simply dropped with no initial velocity, and Ball B is thrown downward with and initial velocity of 12 m/s. How far has each ball dropped
You are running toward an approaching marching band. You are moving at 9.3 m/s and the band is moving at 2.7 m/s
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