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A car of 1200 kg travels east (call it +x) at 24 m/s while a truck of 2200 kg travels north (call it +y) at 19 m/s. They collide and stick together.
a. What is the momentum in the system?
b. What is the final velocity after the collision?
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What are the disadvantages and the advantages of locating solar collectors on a vertical, south-facing wall
Find the drift velocity of conduction electrons in a gold wire of diameter 2.36 mm when a current of 0.375 A flows in it. The density of conduction electrons in gold is 5.90x10^28m^-3
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