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A mass, m= 1.23kg is hanging from a string. The string is stretched 0.641m from its natural equlibrium position. What is the spring constant?
If i lift the mass 0.36m and let it go, what will be its maximum velocity?
What will its velocity be at 0.27m below the equilibrium position?
A map suggests that Atlanta is 730 miles in a direction 5.00° north of east from Dallas. Modeling the Earth as flat, use this information to find the displacement from Dallas to Chicago
The wavelength of red helium-neon laser light is 632.8 nm. What is the wavelength of the laser light in the class that has an index of refraction of 1.5 in units of nm, What is the speed of the laser light in the glass in units of 10^8 m/s
Tarzan, in one tree, sights Jane in another tree. He grabs the end of a vine with length 20 m that makes an angle of 45, Calculate Tarzan's speed just before he reaches Jane
A 45.0 g ball of copper has a net charge of 2.1 µC. What fraction of the copper's electrons have been removed
How various kilograms of nitrogen are boiled away in time of 7.50 h. car that hits a line of water barrels and takes 1.8s to stop.
a ball is launched with a velocity of magnitude 7.00 m/s, at an angle of 40.0° to the horizontal. find the angle of its displacement from the launch point
A number of people are riding in a hot-air balloon. The combined mass of the people and balloon is 281 kg. The balloon is motionless in the air, since the downward-acting weight of the people and balloon is balanced by an upward-acting 'buoyant' f..
A 5.0 megawatt windmill has three 45 m-long blades that can be approximately viewed as straight rods. If the rotational speed of the rods is 6 rpm, what is the mass of each rod
How many kilometers per liter will a car obtain if its engine is 25 percent efficient and it encounters and average force of 1000 Newtons? Suppose the energy content of gasoline is 40,000,000 joules per liter (J/L).
then collides with a spring whose spring constant is 250 N/m. angle is 30 degrees. Illustrate what is the maximum compression of the spring?
A circuit employs a silicon solar cell to detect flashes of light lasting 0.25 s. what is the minimum power of a flash of light of wavelength
two vehicles of equal mass at a 90 degree intersection. If the momentum of vehicle A is 1.20 x 10^5 kg km/h east and the momentum of vehicle is 8.50 x 10^4 kg km/h north, what is the resulting momentum of the final mass
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