Direction of a uniform electric field based problem
A force of 4.00 × 10-2 N is needed to move a charge of 63.0 µC a distance of 16.0 cm in the direction of a uniform electric field. What is the potential difference that will provide this force?
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The record distance in the sport of throwing cowpats is 81.1 m. Assuming the initial launch angle was 45° and neglecting air resistance determine (a) the initial speed of the projectile and (b) the total time the projectile was in flight.
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An electronic company manufactures resistors that have a mean resistance of u= 100 ohm and a standard deviation s= 10 ohm. Find the probability that a random sample of n= 36 resistors will have a resistance less than 95 ohm.
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