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A ball of m1 is held slightly above ball of mass m2. The two balls are droped simultaneously, falling distance h vertically from rest. Air resistance is negligible. The second ball collides with the floor, then with the first ball. All collisions have coefficient of restitution r. After the second collision, the second ball momentarily stops dead.
a. Calculate the mass ratio m1/m2.
b. Calculate the height to which the first ball rebounds. Treat the diameters of the balls themselves as neglibible.
A large capacitance of 1.80 mF is needed for a certain application, Calculate the volume of Teflon alone in the capacitor
A helicopter is ascending vertically with a speed of 5.45m/s. At a height of 141m above the Earth, a package is dropped from a window. How much time does it take for package to reach the ground.
A two-slit pattern is viewed on a screen 1.17 m from the slits. What is the width of the central bright fringe, if the third dark fringes on either side are 26.4 cm apart?
You measure an electric field of 1.35×106N/C at a distance of 0.141m from a point charge. There is no other source of electric field in the region other than this point charge. What is the electric flux through the surface of a sphere that has thi..
Calculate the Reynolds number for 25C water flow in a 1-in nominal diameter sanitary pipe at 0.5 kg/s
An aluminum cup of mass 200 g contains 800 g of water in thermal equlibrium at 80.0c. the combination of cup and water is cooled unformly so that temperature decreases by 1.50c per minute. at what rate is energy being removed by heat.
Consider a series RLC circuit with R = 28 , L = 6.0 mH, and C = 31 µF. The circuit is connected to a 10 V (rms), 600 Hz AC source. Find the average power delivered to the circuit
Mr. Physics drops a rock down a 250-meter deep well. Upon impact with the bottom of the well a short burst of sound is produced with a frequency of 250 Hz. How long after he drops the rock does he hear it hit bottom of the well.
Two small identical conducting spheres are placed with their centers 25 cm apart. One is given a charge of 20.0 nC and the other given a charge of -36.0 nC. What is the electrical force of each sphere on the other?
What was the angle of the hill. what is the current in the circuit when four lamps are turned on.
Assume that light of a single color, rather than white light, passes through two slits 0.50 mm apart, determine the light's wavelength
A hill that has a 17.2 % grade is one that rises 17.2 m vertically for every 100.0 m of distance in the horizontal direction. At what angle is such a hill inclined above the horizontal?
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