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Why is the Electron affinity of chlorine greater than that of Flourine? After all, the L shell of Flourine is meant to have 8 electrons. ...
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A car and truck start from rest at same instant, with car being a little behind the truck. The truck and car has a constant acceleration of 2.2 m/s2 and 3.5 m/s2 respectively. the car overtakes the truck when it(truck) has mo ...
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A boy stands in front of a tall wall and claps. The boy continues to clap every time an echo is heard. Another boy finds that the time taken between the firs and 51st clap is 18s. v=? 330m/s 340 m/s 333m/s none ...
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*Image* ...
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two masses A and B of 10kg and 5kg respectively are connected with a string passing over a frictionless pulley fixed at the corner of a table as shown. The coefficient of static friction of A with the table is 0.2. The minimu ...
