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Two round rods, one steel and the other copper, are joined end to end. Each rod is 0.760 long and 1.35 in diameter. The combination is subjected to a tensile force with magnitude 4050 .
A) For the steel rod, what is the strain?
B) For the steel rod, what is the elongation?
C) For the copper rod, what is the strain?
D) For the copper rod, what is the elongation?
A spring gun is made by compressing a spring in a tube and then latching the spring at the compressed position. How much work is done by the spring when the latch is released and the pellet leaves the tube
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A 1500 kg car is approaching the intersection at 11 m/s. He is 40 m away from the intersection. Find the minimum acceleration needed for the car to come to rest
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