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A vertical spring launches a 50 g ball upward. The spring constant is 12 N/m. The spring is initially compressed 5 cm. The spring is then released pushing the ball upward. Will the ball leave the spring?
The greatest ocean depths on the Earth are found in the Marianas Trench near the Philippines. Calculate the pressure due to the ocean at the bottom of this trench
A capacitor with C = 36.0 mF is placed in series with a 12.0-V battery and an inductor having L = 350 mH. What is the frequency of electromagnetic oscillations in the circuit
Two 4.2 cm X 4.2cm metal plates are separated by a 0.19mm thick piece of Teflon. What is the capacitance? What is the maximum potential difference between the disks?
A 70-kg log falls from a height of 25 m into a lake. If thelog, the lake, and the air are all at 300K, find the change inentropy of the Universe for this process
Suppose 23.8 L of an ideal monatomic gas at a pressure of 2.60 105 kPa is expanded adiabatically (no heat transfer) until the volume is tripled. What is the pressure of the gas at the new volume
You push a 2.7 kg box with a force of 23.8 N along a level floor, but a frictional force of 3.3 N opposes the motion
Tarzan, who weighs 639 N, swings from a cliff at the end of a convenient vine that is 18 m long, What would the greatest force on the vine be during the swing
In the 1850s, Armand Fizeau and Jean-Bernard-Leon Foucault made the first measurements of the speed of light in water. calculate the wavelength of yellow green light in water
As a baseball is being caught, its speed goes from 43 to 0 m/s in about 0.003 s. What is the baseball's acceleration in m/s2
There are three different methods to induce an emf in a coil of wire: 1) change the magnetic field that is applied in the region inside the coil; 2) change the area of the coil (e.g., by deforming it); and 3) ___________________ (you complete the sta..
A landing craft approaches the surface of Penitgy, a planet in a far-away galaxy. The landing craft has two engines attached to the bottom, each angled 30 from the vertical. what is the mass of the landing craft
you make a capacitor by cutting the 12.5-cm-diameter bottoms out of two aluminum pie plates separating them by 3.50mm
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