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Light shines during a single slit whose width is 8.60 10-4 m. A diffraction pattern is formed on a flat screen located 4.0 m away. The distance among the middle of the central bright fringe and the first dark fringe is 4.75 mm. What is the wavelength of the light?
A positively charged oil drop is injected into a region of uniformelectric field between two oppositely charged, horizontallyoriented plates spaced 16 cm apart.
at a certain time a particle had a speed of 20 ms in the positive x direction and 2.2 s later its speed was 30 ms in
A sled may be either pulled with a rope or pushed from behind.Assume that in either case, the propelling force acts at an angleof 45° above the ground. Draw the free-body diagrams for both alternatives
Consider two bobs of equal mass, but different size, both tied tothe same length of string. Which pendulum has a longer period
a grasshopper jumps a horizontal distance of 1.50 m from rest with an initial velocity at a 47.0deg angle with respect
A thin spherical shell has a radius of 2.8 m and a mass of 270 kg, and its center is located at the origin of a coordinate system. Another spherical shell with a radius of 1 m and mass 100 kg is inside the larger shell with its center at 0.6 m on the..
two stationary positive point charges charge 1 of magnitude 3.50nc and charge 2 of magnitude 1.60nc are separated by a
a defibrillator consists of a 15.4-microf capacitor that is charged to 8.2 kv.a if the capacitor is discharged in 1.0
a box of mass 4 kg is resting on a table 1.5 m above the floor. there is also a ledge located 5 m above the floor.
A 510 kg satellite is in a circular orbit regarding the Earth at a height above the Earth equal to the Earth's mean radius. Discover the satellite's orbital speed. Find the period of its revolution.
consider a group of 20 molecules with the following speeds three have speed 1 ms four have 6 ms five have 9 ms and
An electromagnet produces a magnetic field of 0.550 T in a cylindrical region of radius 2.40 cm between its poles. What magnitude of force is exerted on the wire
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