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The moment of inertia of a 0.92 kg bicycle wheel rotating about its center is 0.139 kg m^2. What is the radius of this wheel, assuming the weight of the spokes can be ignored?
a 1340-kg car has just passed a diner. The closest the car came to the diner was R=16.5m, but the car has driven another x=22.7m in the 2.05 seconds elapsed since then. what is the current magnitude of the anguar momentum of the car
A satellite has a mass of 5555 kg and is in a circular orbit 4.20 105 m above the surface of a planet. What would be the true weight of the satellite if it were at rest on the planet's surface
a 40-car train travels along a straight track at 40 mph. a skier speeds up as she skis downhill. on which is the net
q. in a youngs interference experiment the two slits are separated by 0.17 mm and the incident light includes two
A 1.50*10^3-kg car starts from rest and accelerates uniformly to 19.1 m/s in 12.0 s. Find the average power developed by the engine
If the radius of the equipotential surface of a point charge is 21.0m and is at a potential of +3.50kv
The wavelength of red light emitted by a 3.01-mW helium-neon laser is 626 nm. what is the density of photons in the beam
two polarizers are oriented at 46 degrees to each other and a polarized light is incident on them. if only 12 percent
A string is attached to a cube of wood with a volume V=100cm^3 and is placed in fresh water with density 1000 kg/m^3, what is the density of the wood
The masses of astronauts are monitored during long stays in orbit, such as when visiting a space station. What is the mass of an astronaut who has an oscillation period of 2.00 s when in the chair
A transformer is used to power a cell phone charging unit. If thetransformer has a primary/secondary turns ration of 40:1 and isconnected to a 120 V power source, what voltage is supplied to the charging unit?
An air mass has a temperature of 68 F at 970 hPa with a mixing ratio of 5 g/kg. Without any condensation or mixing, the air now has a temperature of 50 F and a pressure of 750 hPa. Find the initial and final values of:
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