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A Ferris wheel has a vertical height (from the bottom of the wheel to the top) of 10 m, and a rotates uniformly at the rate of 1 revolution every 11 s. At the moment that seat number 13 is 30o past the highest point on the wheel, a bolt fails and seat 13 becomes detached from the rest of the wheel. (Fortunately, this is a test run with no passengers.) Just before seat 13 detaches, compute (a) its velocity vector; (b) its acceleration vector. Just after the bolt fails, compute (c) the seat's velocity vector; (d) its acceleration vector. (e) Does it make sense for the velocity to change instantaneously? What about the acceleration?
For the superball in the previous question, if it was in contact with the table for 32 ms, calculate the average force exerted on the ball by the table
the speed of a transverse wave on a string is 420 ms and the wavelength is 0.12 m. the amplitude of the wave is 2 mm.
A spring (k =805N/m) is hanging from ceiling of an elevator, and a 5.0-kg object is attached to the lower end. By how much does the spring stretch (relative to its unstrained length) when the elevator is accelerating upward at a = 0.47m/s2.
The former is on the left in contact with air and the other in contact with a liquid of index 1.4 The refractive index of the glass is 1.50. Find the positions of the foci, principal planes, and focal length of the system.Use the matrix approach
For my project I constructed a trebuche. A trebuche is an ancient device used for launching projectiles. It acheives this by harnessing potential energy and allowing this potential energy to convert into kenetic energy. This potential energy is st..
What was the velocity of the bullet just before it struck the wooden block? The length of the string is 2 meters.
A 3.0 m tall, 54 cm diameter concrete column supports a 190,000 kg load. By how much is the column compressed
A laser beam passes through a single slit. We observe an interference pattern on a screen 9.03 m away. Find the width of the slit
A fisherman reels in 15.0 m of line while landing a fish, How much work does the tension in the line do on the fish
Gibbons, small Asian apes, move by brachiation, swinging below a handhold to move forward to the next handhold. What upward force must a branch provide
A ray is incident on a sheet of transparent material by parallel sides. The angle of incidence is 60° and the thickness of the sheet is t = 1.40 cm. As the ray passes during the sheet, it is displaced x = 0.650 cm from its original direction of motio..
A heat engine has a maximum possible efficiency of 0.800. If it operates between a deep lake with a constant temperature of 287.0 k and a hot reservoir, what is the temperature of the hot reservoir?
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