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Physics, 22.06.2019 07:50
Imagine you are standing in the antarctic during the southern hemisphere summer. the sky is clear and blue. there are no clouds in the sky. your shadow is cast on the icy ground. what is the color of the shadow?
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Physics, 23.06.2019 10:30
How many minutes does light need to travel from the sun to jupiter?
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Physics, 23.06.2019 11:00
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
Physics, 23.06.2019 12:00
Unlike the idealized voltmeter, a real voltmeter has a resistance that is not infinitely large. a voltmeter with resistance rv is connected across the terminals of a battery of emf e and internal resistance r. find the potential difference vmeter measured by the voltmeter. what is vmeter?
Answers: 2
A child does 12 J of work pushing his 3 kg toy truck. With what velocity does the toy move after the...
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