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You have been hired as a consultant for a new Star Trek TV series to make sure that any science on the show is correct. In this episode, the crew discovers an abandoned space station in deep space far from any stars. This station is a large wheel-like structure where people lived and worked in the rim. In order to create "artificial gravity," the space station rotates on its axis. The special effects department wants to know at what rate a space station 200 meters in diameter would have to rotate to create "gravity" equal to 0.7 that at the surface of Earth. I used the centripetal force formula from the textbook, but i'm not sure. Could you solve that for me?
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. what range of wavelength passes throught the hole
An electric blanket is connected to a 120-V outlet, What is the resistance of the heater wire in the blanket
Let’s do some electrochemistry. A process for electroplating an object with gold is as follows. The object to be electroplated is immersed in a bath of gold chloride (AuCl4-) and connected to the negative terminal of a battery.
Temperatures of gases inside the combustion chamber of a four stroke automobile engine can reach up to 1000°C. what flow rate would need to be supplied by the water pump
A massless plank of length L = 2 m has two supports. One support is at the left end and one is in the middle. What is the normal force on the middle support
Three 17--long rods form an equilateral triangle. Two of the rods are charged to + 16 , the third to - 16 . What is the electric field strength in the middle of the triangle
A dentist's mirror is placed 2.4 cm from a tooth. The enlarged image is located 5.9 cm behind the mirror. How is the image oriented relative to the object
A Ball is thrown horizontally from the window of a building with an initial velocity of 12.1 mi/hr and lands 9.43 m from the base of the building. How far above the grown was the window
What is the magnitude of displacement
An object is 116cm in front of a concave mirror that has a radius of 74cm. Calculate the image distance and lateral magnification
How could you store the kinetic energy of a soda-bottle using a rubber band so that it unwinds after being rolled across a flat surface? Basically, how can you make a bottle roll back after being pushed across a flat surface. (preferably using a ru..
You have been employed by the local circus to plan their human cannonball performance. For this act, a spring loaded cannon will shoot a human projectile, the Great Flyinski, across the big top to the net below. What do you tell the ringmaster
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