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What characteristics of hv2112 make it the best candidate to be classified as a thorne-zytkow object?
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An astronaut on the moon throws a baseball upward. the asatronaut is 6ft, 6in. tall, and the initial velocity of the ball is 30ft per second. the heigh s of the ball in feet is given by the equation s = -2.7^2 + 30t + 6.5, where t is the number of seconds after the ball was thrown. after how many seconds is the ball 16ft above the moon's surface?
Answers: 2
đặt lần lượt các điện tích q1=1nC; q2=-2nC vào 2 điểm A, B cách nhau 20cm trong không khí. Vẽ hình v...
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