A frictionless block of mass 1.95 is attached to an ideal, Ask an Expert

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Q. A frictionless block of mass 1.95 is attached to an ideal spring with force constant 340 . At the spring is neither stretched nor compressed and the block is moving in the negative direction at a speed of 12.6 .

Q. A hair dryer draws a current of 8.3 A.

(a) How much charge passes through the hair dryer in 3.5 min?

(b) How many electrons does this represent?

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Category:- Physics
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