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Light shines through a single slit whose width is 5.5 × 10-4 m. A diffraction pattern is formed on a flat screen located 4.0 m away. The distance between the middle of the central bright fringe and the first dark fringe is 4.4 mm. What is the wavelength of the light?
The roof makes an angle of 23 degrees with the horizontal. If the edge of the roof is 10 meters high, clarify how far from the base of the house the basketball hits.
A distant observer, observing from far away but in the plane of the Solar System tries to measure the orbital speed of Mercury. How much is light from Mercury redshifted or blueshifted as it orbits the Sun
A particle attached to a spring with k 50 N/m is undergoing simple harmonic motion, and its position is described by the equation x (5.7 m)cos(7.5t), What is the maximum potential energy
A 0.300 kg} glider is moving to the right on a frictionless, horizontal air track with a speed of 0.900 m/s} when it makes a head-on collision with a stationary 0.150kg} glider. Find the final kinetic energy of first glider.
For the situation, the magnetic field changes with time according to the expression B = (2.00t3 - 4.00t2 + 0.800)T, and r2 = 2R = 5.00 cm. (a) Calculate the magnitude and direction of the force exerted on an electron located at point P2 when t = 2.00..
A figure skater begins spinning counter clockwise at an angular speed of 4.7 π rad/s. during a 4.9 s interval, she slowly pulsher arms inward and finally spins at 8.2 π rad/s. what is heraverage angular acceleration during this time interval?
A singly charged ion of 7Li (an isotope of lithium) has a mass of 1.16×10?26kg, What is the radius of the ion's path in the magnetic field
A 100 kg block is pulled at a constant speed of 6.2 m/s across a horizontal floor by an applied force of 123 N directed 27° above the horizontal. obtain the rate at which the force does work on the block
Wanting to invite Juliet to his party, Romeo is throwing pebbles at her window with a launch angle of 73° from the horizontal, What is the initial speed of the pebbles
You have probably never noticed time dilation effects in everyday life. Calculate the speed that a friend would have to move with respect to you so that your measured time intervals are 1.00% larger than hers
Suppose the surfae a circular space station is rotating at35.8m/s. What must be the value of the radius for the astronauts to weigh one half their weight on earth
At a height of ten meters above the surface of a freshwater lake, a sound pulse is generated. How deep is the lake
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