Physics, 07.04.2020 04:55 ruleolivas
A railroad car moving at a speed of 3.49 m/s overtakes, collides, and couples with two coupled railroad cars moving in the same direction at 1.28 m/s. All cars have a mass of mass 1.08 105 kg. Determine the following.
(a) speed of the three coupled cars after the collision (Give your answer to at least 2 decimal places.)(b) kinetic energy lost in the collision
Answers: 1
Physics, 21.06.2019 22:30
Curious carl calculated the density of a cube to be 4.50 g/cm3. what is the density of the cube in g/l?
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Physics, 22.06.2019 14:00
Una carga puntual de 3 x 10-6 c se coloca a 12 cm de una segunda carga puntual de - 1,5 x 10-6 c. calcular la magnitud fuerza eléctrica entre las cargas
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Physics, 22.06.2019 17:30
Aball thrown by ginger is moving upward through the air. diagram a shows a box with a downward arrow. diagram b shows a box with an upward arrow. diagram c shows a box with a downward and upward arrow equal in size. diagram d shows a box with a downward and upward arrow with the downward arrow larger in size. which force diagram represents the forces on the ball? you may neglect the effects of air resistance.
Answers: 3
Physics, 22.06.2019 23:00
A6.0-μf air-filled capacitor is connected across a 100-v voltage source. after the source fully charges the capacitor, the capacitor is immersed in transformer oil (of dielectric constant 4.5). how much additional charge flows from the voltage source, which remained connected during the process?
Answers: 1
A railroad car moving at a speed of 3.49 m/s overtakes, collides, and couples with two coupled railr...
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