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A Ferris wheel rotating at 20 rad/s decelerates with a constantangular acceleration for -5.0 rad/s2. How many revolutions does it rotate before coming to rest?
A film of oil with refractive index 1.45 floats on water with refractive index of 1.33. Determine the thickness of the oil film
An organ pipe is 119 cm long. What are the fundamental and first three audible overtones if the pipe is closed at one end.
NASA launches a satellite into orbit at a height above the surface of the Earth equal to the Earth's mean radius. The mass of the satellite is 740 kg. How much gravitational force does the satellite experience
Consider the equation for heat transfer through a wall. Based on this, describe two simple ways you could modify your home to decrease the rate at which heat is lost through your walls.
A soldier has a huge contraption that notches a large 3 kg arrow (it looks more like a lance) in a massive bow, What is the speed of the arrow
If a iron core of a collapsing star initially spins with a rotational frequency of fo=3.4 per second and the core radius decrease during the collapse by a factor of 24. what is the rotational frequency of the iron core at the end of collapse
A certain parallel-plate capacitor is filled with a dielectric for which ? = 6.5. The area of each plate is 0.038 m2, and the plates are separated by 2.0 mm. The capacitor will fail (short out and burn up) if the electric field between the plates exc..
Two point charges of equal magnitude are 7.3cm apart. At the midpoint of the line connecting them, their combined electric field has a magnitude of 40N/C . Find the magnitude of the charges.
assess your local environment either in your home town or region. describe the type of common chemical hazards that
In a diffraction experiment, light of 600nm wavelengthproduces a first-order maximum 0.350 mm from the central maximum ona distant screen. obtain the wavelength of the light from the second source
A large punch bowl holds 4.00kg of lemonade (which is essentially water) at 25.0?C. A 5.00×10?2-kg ice cube at -13.0?C is placed in the lemonade. What is the amount of ice (if any) remaining
The voltage across a membrane forming a cell wall is 74.0 mV and the membrane is 8.80 nm thick. What is the electric field strength
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