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The wheels of a wagon can be approximated as the combination of a thin outer hoop, of radius rh = 0.474 m and mass 5.46 kg, and two thin crossed rods of mass 7.80 kg each. You would like to replace the wheels with uniform disks that are 5.25 cm thick, made out of a material with a density of 6450 kilograms per cubic meter. If the new wheel is to have the same moment of inertia about its center as the old wheel about its center, what should the radius of the disk be?
The lengths of the three telescopes are LA = 434 mm, LB = 653 mm, Find the angular magnification of each telescope
At time a grinding wheel has an angular velocity of 22. It has a constant angular acceleration of 28.0 until a circuit breaker trips at time = 1.60 . From then on, the wheel turns by an angle of 438 as it coasts to a stop at constant angular decel..
A turntable 1.90 m in diameter rotates at 78.0 rpm . Two speakers, each giving off sound of wavelength 30.6 cm, find the greatest beat frequency the listener
The pressure in a traveling sound wave is given by the following equation. p = (2.1 Pa) sin ?[(1.40 m-1)x - (280 s-1)t], Find the pressure amplitude and Find the wavelength
A plane mirror:
An automobile has a mass 2100 kg and a velocity of 17 m/s. Find the impulse (magnitude and direction) that acts on the skidding cars from just after the collision until they come to a halt
A large box of mass 50kg lies on a frictionless inclined plane at an angle of 30º. What is the Normal Force acting on the box
Physics - Classical Mechanics : explained, A student could either pull or push, at an angle of 300 from the horizontal, a 50-kg crate on a horizontal surface, where the coefficient of kinetic friction between the crate and surface is 0.20. The cra..
There is strong evidence that the center of the Milky Way galaxy contains a giant black hole with a mass of perhaps one million Suns. find the maximum radius of a million-solar-mass black hole
find the vertical component of a baseball's velocity if the ball is thrown at a 28m/sec at an angle of 37 degrees with the horizontal.
The technique known as potassium-argon dating is used to date old lava flows and thus any fossilized skeletons found in them, What is the age of a piece of solidified lava with a 40Ar/40K ratio of 0.34
Consider a diffraction grating with 7000. lines/cm with a screen 2.50 m away and 440. nm wavelength light. How many side maxima would be observed on one side of the central maximum
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