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Question1
A space station is constructed in the shape of a wheel 20 in diameter, with essentially all of its 5.1×105 mass at the rim. Once the station is completed, it is set rotating at a rate that requires an object at the rim to have radial acceleration, thereby simulating Earth's surface gravity. This is proficient using two small rockets, each with 100 thrust which are mounted on the rim of the station.
Question2
At a factory, a noon whistle is sounding with a frequency of 486 Hz. since a car travelling at 81 km/h approaches the factory; driver hears the whistle at frequency fi. After driving past factory, the driver hears frequency ff. What is modify in frequency ff - fi heard by the driver? (Suppose a temperature of 20° C.)
What is resultant force
The average output power of a cellular phone, which can be treated as a point of E-M waves, is 1.0W when it is "ON". Estimate the intensity of the phone's E-M waves in your brain
A certain parallel-plate capacitor is filled with a dielectric for which ? = 4.5. The area of each plate is 0.026 m2, find the maximum energy that can be stored in the capacitor
Consider a series RLC circuit where R = 35.0 ?, C = 35.5 ?F, Determine the phase angle of the circuit in degrees
A person, with his ear to the ground, sees a huge stone strike the concrete pavement. A moment later two sounds are heard from the impact: one travels in the air and the other in the concrete, and they are 6.60s apart. How far away did the impact ..
An air column in a glass tube is open at one end and closed at the other by a movable piston. The air in the tube is warmed above room temperature, and a 356 Hz tuning fork is held at the open end. Resonance is heard when the piston is at a distan..
What is the value of the static friction.
A positively charged oil drop of mass 1.0 × 10-15 kg is placed in the region of a uniform electric field between two oppositely charged, What is the magnitude of the charge on the drop
A car traveling at a constant speed of 22.5 m/s passes a trooper hidden behind a billboard. One second after the speeding car passes the billboard, the trooper sets off in chase with a constant acceleration of 3.90 m/s2.
Physicist Robert Adair, once appointed the "official physicist to the National League" by the commissioner of baseball, What is the difference in wavelength of these sounds
The New England Merchants Bank Building in Boston is 152 m high. What is the total distance, side to side, that the top of the building moves during such an oscillation
Coherent light from a sodium-vapor lamp is passed through a filter that blocks everything except for light of a single wavelength. find the wavelength of the light that falls on the slits
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