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Three masses are placed at different points along a meter stick of negligible mass: 0.09 kg at 0.98 m, 0.04 kg at 0.55 m, and 0.01 kg at 0.35 m. Where's the center of mass of the system (in meters)?
Illustrates the difference between acceleration and velocity
A 4.00-kg model rocket is launched, expelling 54.9 g of burned fuel from its exhaust at a speed of 690 m/s. What is the velocity of the rocket after fuel has burned.
A 200g mass on the end of a spring is pulled back 3 cm and released. There is a coefficient of friction between the table and mass of 0.7. The resonant frequency is 7.071 rad/sec.
2 mol of a diatomic ideal gas expand adiabatically and quasi-statically. The initial temp of the gas is 300K, What is the final temp of the gas
A 1200 N uniform boom is supported by a cable perpendicular to the boom, as in Figure P8.28. The boom is hinged at the bottom, and a 2000 N weight hangs from its top. Find out the tension in the supporting cable and the components of the reaction ..
A proton with v = 322 m/s is moving through a region in which the magnetic field is B = 2.2 T, what angle does the protons velocity make with B
A monochromatic beam of light is absorbed by a collection of ground-state hydrogen atoms in such a way that six different wavelengths are observe, what is the shortest wavelength
The rocket fires for 10 mins , after that the asteroid is moving at 30 degrees to its original path at the speed of 18 km/h/ Find its average acceleration.
You are an engineer in charge of designing a new generation of elevators for a prospective upgrade to the empire state building. Before the state legislature votes on funding for the project.
A 67 kg man weighs 637 N on the Earth's surface. How far above the surface of the Earth would he have to go to "lose" 19 percent of the body weight.
An object is placed 17.4 cm to the left of a thin diverging lens that has focal length ?11.7 cm. What is the distance between the object and the image
Assume that the Sun radiates like an ideal thermal source at a temperature of 6000 K, What is the intensity of the solar radiation emitted in the range 550.0 nm to 552.0 nm
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