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A single slit that is 2600 nm wide forms a diffraction pattern when illuminated with monochromatic light of 420-nm wavelength. At an angle of 10° from the central maximum, what is the ratio of the intensity to the intensity of the central maximum?
A person walks 34.0? north of east for 4.10 km. Another person walks due north and due east to arrive at the same location. How large is the east component of this second path?
A sealed tank containing seawater to the height of 11.10 m also contains air above the water at a gauge pressure of 3.20 atm. Water flows out from the bottom throughout a small hole.
Two cars start from rest at a red stop light. When the light turns green, both cars accelerate forward. What is the total time the blue car is moving
A 1500 kg car traveling at a speed of 20 m/s skids to a halt on wet concrete where kinetic friction= 0.20. How far are the skid marks.
A man drags a table 3.50 m across the floor, exerting a constant force of 52.0 N, directed 34.0° above the horizontal. Find the work done by the applied force
A string is clamped at one end and the other end rests on a light, frictionless pulley with a mass hanging below it to provide a tension. What is the mass on the end of the string
A beam of thermal neutrons emerges from a nuclear reactor and is incident on a crystal. Find the Bragg- scattering angle that results in a scattered beam of this energy
What is the maximum speed the car can have at point B for the gravitational force to hold it on the track.
A cart carrying a vertical missile launcher moves horizontally at the constant velocity of 30.1 to the right. It launches a rocket vertically upward. The missile has an initial vertical velocity of 40.33 relative to the cart.
A pitcher throws a 0.140 kg baseball, and it approaches the bat at a speed of 35.0 m/s. The bat does Wnc = 75.0 J of work on the ball in hitting it. find the speed of the ball after the ball leaves the bat
A rotating door is made from four rectangular glass panes, as shown in the figure. The mass of every pane is 66.0 kg. A person pushes on the outer edge of one pane with a force of F =71.4 N that is directed perpendicular to the pane. Decide the magni..
Compute the magnitude & direction of the current.
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