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Physics, 17.11.2020 20:20 xxaurorabluexx
Which of the following describes one of Galileo Galilei's contributions to the development of the concept of gravity?
a. He conducted experiments with balls and inclined planes.
b. He theorized that Earth was at the center of the universe.
c. He theorized that planets move around the Sun in an elliptical pattern.
d. He calculated a value that is currently known as the gravitational constant.
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Astone is dropped from the upper observation deck of a tower, 250 m above the ground. (assume g = 9.8 m/s2.) (a) find the distance (in meters) of the stone above ground level at time t. h(t) = (b) how long does it take the stone to reach the ground? (round your answer to two decimal places.) s (c) with what velocity does it strike the ground? (round your answer to one decimal place.) m/s (d) if the stone is thrown downward with a speed of 2 m/s, how long does it take to reach the ground? (round your answer to two decimal places.) s
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Which of the following describes one of Galileo Galilei's contributions to the development of the co...
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