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A billiard ball with an initial speed of vo=10m/scollides with two identical balls whose centers are on a lineperpendicular to the initial velocity and that are initially incontact with each other. The first ball is aimed directly atthe contact point. To good approximation the collision can beviewed as elastic and friction is negligible. Find the speeds of all three balls after the collision.
You are stranded on a deserted island. You have some wire, but no magnets. You decide to use the Earth's magnetic field, the only one available to you. What area must the coil have
One lens of a nearsighted person's eyeglasses has a focal length of -21.7 cm, and the lens is 1.70 cm from the eye. what should be the focal length of the corresponding contact lens
A cylinder contains a mixture of helium and argon gas in equilibrium at a temperature of 247 ? C. Boltzmann's constant is 1.38066 × 10 ?23 J/K, What is the rms speed of argon
The drawing shows two boxes resting on frictionless ramps. One boxis relatively light and sits on a steep ramp. The other box isheavier and rests on a ramp that is less steep.
1. daggett turns his living room into a giant turntable but forgets to pin down the furniture. as a result the
A spacecraft is observed to be at a location m relative to an origin located on a nearby asteroid, find the unit vector in the direction of the average velocity
A velocity selector has a magnetic field of magnitude 0.28 G perpendicular to an electric field of magnitude 0.43 kV/m. What energy must electrons have to pass through undeflected
If the frequency of blue light is 6 x 10^14 cycles/second andits wavelength is 5 x 10^-7 m, find the speed of light by using dimensional analysis
A U-shaped tube is filled mostly with water, but some vegetable oil has been added to both sides of the U tube. Find the difference in fluid level between the two sides of the tube
Two identical machines are positioned the same distance from a worker. The intensity of sound delivered by each machine at the location of the worker is 2.0x10-7 W/m2. Find the sound level heard by the worker
an inferometer consists of 50 parabolic antennas placed 14 m apart. it operates at a wavelength of 21cm. compute the
A parallel-plate air capacitor with a capacitance of 245 has the charge of magnitude 0.1502 on each plate. The plates have the separation of 0.323.
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