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A certain string just breaks when it is under 400N of tension. Aboy uses this string to whirl a 10kg stone in a horizontal circleof radius 10m. the boy continuously increases the speed of thestone. At approximately what speed will the string break?
Four kilomoles of a monatomic ideal gas are at a temperature of 300 K, Compute the heat supplied to maintain a constant temperature
A device for training astronauts and jet fighter pilots is designed to rotate a trainee in a horizontal circle of radius 12.0. how fast is she rotating
While standing at the edge of the roof of a building, you throw a stone upward with an initial speed of 6.97 m/s. At what speed does the stone impact the ground
The light source for a double slit experiment has a wavelength of 590 nm. The slit separation is 0.12x10^-3. A screen is placed at a distance of L from the slits. Find the width of the central bright fringe
A scuba diver and her gear displace a volume of61.0L and have a total mass of68.0kg. What is the buoyant force on the diver in sea water
A 180.0- g copper block at 90.0 oC is dropped into an aluminum calorimeter cup initially at 22.0 oC. What is the final temperature of the system
You make a capacitor by cutting the 12.5 cm diameter bottoms out of two aluminum pie plates, separating them by 3.50 mm , and connecting them across a 6.00-V battery. what will be the potential difference between them
Halleys comet, which passes around the sun every 76 years, has an elliptical orbit. When closest to the sun (perihelion) it is a distance of 8.823 x 10^10m, calculate its speed at aphelion
Illustrate what is the coefficient of static friction between the chair and the floor? What is the coefficient of kinetic friction between the chair and the floor?
A regulation table tennis ball has a mass of 2.8g and is 40mm in diameter. What is its moment of inertia about an axis that passes through its center
A slide projector needs to create a 98 cm high image of a 2.0 cm tall slide. The screen is 300 from the slide. How far should you place the lens from the slide
One of the harmonics of a column of air open at one end and closed at the other has a frequency of 448 Hz, What is the fundamental frequency of the air column
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