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A human hair is placed directly in front of the opening of a laser pointer. The light has a wavelength of 647.8 nm. On a screen 2.0 m in front of the laser, a diffraction pattern is observed with minima spaced 0.0164 m apart. Determine the approximate thickness of the hair.
determine the maximum height attained by the 2.1-kg mass
The blade on a table saw spins at 3450 rpm. Its diameter is 25 cm. What is the speed of a tooth on the edge of the blade
A car weighing 1.06 multiply.gif 104 N is at rest on a 29.0° incline. Each wheel bears an equal part of the car's weight. Find the frictional force exerted by the road on each wheel
An explorer is caught in a whiteout (in which the snowfall is so thick that the ground cannot be distinguished from the sky) while returning to base camp.
A 73 long metal string under 35.5 tension has a linear mass density 2.20×10?4, Find the frequencies of the first three harmonics
Two carts on a frictionless air track are made to travel toward each other. As they collide they stick together. if the cart on the left has a mass of 250 grams and is moving at 0.2 meters per second to the right.
After the engine is ignited, what is the rocket's speed when the spring has stretched 19.00 cm past its natural length? What would be the rockets speed after travelling the distance if it weren't tied down to spring.
Illustrate what method of ethical oversight (such as a code of ethics, an ethics advisory board, oversight by the board of directors or an ethics audit) would you suggest for Acre Woods Retirement Community as Illustrated in the case study in App..
A block is on a rough horizontal surface. A horizontal force of 5N is applied to the block. What is the frictional force exerted on the block
a 0.5 kg block of aluminum is heated to 200 degrees C. The block is then quickly placed in an air insulated tub of cold water at 0 degrees C and sealed. compute the final temperature of the water and block
You are designing a hydraulic lift for an automobile garage. It will consist of two oil-filled cylindrical pipes of different diameters. What should be the diameter of the pipe under the platform
A car with a total mass of 1.43 103 kg has wheels of radius 29.0 cm and moment of inertia 0.885 kg · m2. Find the car's rotational energy when the car is moving at a speed of 22.0 m/s
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