Determine the probability of getting a picture
You're dealt one card from 52 card deck. Then the card is replaced in deck, the deck is shuffled, and you draw again. Determine the probability of getting a picture card the first time and a heart the second time.
a) 1/13
b) 3/13
c) 1/4
d) 3/52
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A proton (having q = +1.6 x 10^-19C) moves 15 cm all along the direction of an electric field of strength 3.0 N/C. The electrical potential difference among the proton's initial and ending points is?
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