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The drawing shows a collision between two puckson an air-hockey table. Puck A has a mass of 0.0190 kg and ismoving along the x axis with a velocity of +4.63 m/s. It makes acollision with puck B, which has a mass of 0.0380 kg and isinitially at rest. The collision is not head-on. After thecollision, the two pucks fly apart with the angles shown in thedrawing. Find the speed of (a) puck A and (b) puck B.
A mass spectrometer is used to examine the isotopes of uranium. What is the distance between the impact points formed on the photographic plate by singly charged ions of 235U and 238U
A typical nuclear reactor generates 1000MW (1000MJ/s) of electrical energy. How many liters of cooling water have to be pumped through the reactor each minute
Initially at rest, a small copper sphere with a mass of 4. 10-6 kg and a charge of 9. 10-4 C is accelerated through a 6500-V potential difference before entering a magnetic field of magnitude 4 T, directed perpendicular to its velocity. What is the r..
You have a concave spherical mirror with a 13.3-cm radius of curvature. You place an object on the mirror\'s axis, How far is the object's image from the mirror
Suppose that the spin magnetic quantum number ms had three possible values, rather than two. how many electrons would it take to fill the K shell
You are designing a hydraulic lift for an automobile garage. It will consist of two oil-filled cylindrical pipes of different diameters. What should be the diameter of the pipe under the platform
On a dry day, just after washing your hair to remove natural oils and drying it thoroughly, run a plastic comb through it. Small bits of paper will be attracted to the comb. Explain why.
two parallel wires have a current of 22A flowing through each oneof them. when the wires are placed 25cm apart, find the length of the wires
Two ants race across a table 74 cm long. One travels at4.64 cm/s and the other at 3.99999 cm/s. while first one crosses the finish line, how far behind is the second one? Answer in units of cm.
An explosion breaks an object into two pieces, one of which has 1.48 times the mass of the other. How much kinetic energy did the heavier piece acquire
Consider neon, a noble gas whose molecules consist of single atoms of atomic mass 0.02 kg/mol. What is the root-mean-square speed of a neon atom under such conditions
Long, long ago, on a planet far, far away, a physics experiment was carried out. First, a 0.250- ball with zero net charge was dropped from rest at a height of 1.70. The ball landed 0.400 later. Next, the ball was given a net charge of 7.85 and dropp..
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