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You suspend a 1 kilogram mass from a vertical spring (k=40 N/m) that is attached to the ceiling. After you release the mass, the spring stretches out and the mass falls. Determine how fast is the mass falling when the spring has stretched out 30 cm?
Determine the maximum stretch of the spring? (Determine how far the mass will fall before the spring starts pulling it back up?)
an air column in a glass tube is open at one end and closed at the other by a movable piston. the air in the tube is
Find the total capacity, total charge and the voltage across C1 and C2 given C1= 15nF and C2= 25nF are connected in parallel across a 200 volt supply
An empty parallel plate capacitor is charged with the charge Q= 5uC (One plate of the capacitor carries the carge +Q and the other carries the -Q). Find the capacitance of the capacitor
A thin layer of magnesium fluoride (n = 1.38) is used to coat a flint-glass lens (n = 1.61). (a) What thickness should the magnesium fluoride film have if the reflection of 717-nm light is to be suppressed? Assume that the light is incident at right ..
A swimming pool 2.6 m by 1.0 m has a uniform depth of 2.0 m, What is the absolute pressure at the bottom of the pool
A 7.01- g bullet is moving at 563.00 m/s as it leaves the 0.58- m-long barrel of a rifle. What is the average force on the bullet as it moves down the barrel
A child makes a "raft" by inserting a pin perpendicularly into the flat surface of a cork with diameter D. What is the maximum height h of the pin if its tip is completely hidden from view when observed from above the surface of the water
A singly charged positive ion has a mass of 2.37 10-26 kg. After being accelerated through a potential difference of 246 V, Calculate the radius of the path of the ion in the field
identical point charges of 1.3 oc are fixed to diagonally opposite corners of a square. a third charge is then fixed at
A supply plane needs to drop a package of food to scientists working on a glacier in Greenland. How far short of the target should it drop the package
Calculate the capacitance of an air filled parallel plate capacitor given a plate seperation of .001 meters and a plate area of .8 meter^2
Light from an argon laser strikes a diffraction grating that has 5350 grooves per centimeter. Determine the wavelength of the laser light
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