Answers: 2
Physics, 22.06.2019 17:30
Asilver dollar is dropped from the top of a building that is 1324 feet tall. use the position function below for free-falling objects. s(t) = −16t2 + v0t + s0 (a) determine the position and velocity functions for the coin. s(t) = v(t) = (b) determine the average velocity on the interval [1, 2]. ft/s (c) find the instantaneous velocities when t = 1 second and t = 2 seconds. v(1) = ft/s v(2) = ft/s (d) find the time required for the coin to reach the ground level. (round your answer to three decimal places.) t = s (e) find the velocity of the coin at impact. (round your answer to three decimal places.) ft/s
Answers: 3
Physics, 22.06.2019 21:30
Which of these statements best explains how the hydrosphere interacts with the atmosphere to affect global climate? mountains block rain clouds and cause changes in global rainfall and evaporation. humans burn fossil fuels to produce greenhouse gases which cause global warming. humans cut down trees which affects the amount of oxygen in different parts of the globe. greenhouse gases, like carbon dioxide, dissolve in oceans and prevent global warming.
Answers: 1
Physics, 22.06.2019 23:00
Why does gravity have a lesser than grater effect on higher altitudes?
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Physics, 22.06.2019 23:00
Which of the following is another term for a planned economy
Answers: 1
Carbon-14 has a half life of 5730 years. If a sample contains 70 g originally, how much is left afte...
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