Physics, 30.01.2020 02:51, waltersamy30
With pollution on the rise, and demand for fresh water increasing, world leaders are concerned that in the future many people will not have access to clean drinking water. select the statement that best describes the long-term global effects of this behavior.
people do not need to be concerned because there is an unlimited supply of fresh water on the earth so we will never run out. fresh water is a limited resource. if we pollute the fresh water we have, there will be a shortage of clean drinking water in the future. the earth is getting warmer and if all the ice melts the sea level will rise and we will have more fresh water. there will always be enough fresh water because the earth is about 75% water and it surrounds every continent
Answers: 2
Physics, 22.06.2019 10:00, blackjack73
The rocket is fired vertically and tracked by the radar station shown. when ΞΈ reaches 66Β°, other corresponding measurements give the values r = 32700 ft, rΒ¨ = 85 ft/sec2, and ΞΈΛ = 0.019 rad/sec. calculate the magnitudes of the velocity and acceleration of the rocket at this position.
Answers: 3
Physics, 22.06.2019 11:20, kendallnowell18
If a rock is thrown upward on the planet mars with a velocity of 12 m/s, its height (in meters) after t seconds is given by h = 12t β 1.86t2. (a) find the velocity of the rock after two seconds. m/s (b) find the velocity of the rock when t = a. 12β3.72a m/s (c) when will the rock hit the surface? (round your answer to one decimal place.) t = s (d) with what velocity will the rock hit the surface? m/s
Answers: 1
Physics, 22.06.2019 13:10, andreanaapollon7593
Which additional product balances the reaction h2so4 + 2naoh β na2so4 + 2h2o 2oh h2o2 h3o
Answers: 1
Physics, 22.06.2019 21:30, tashaylinm02
Which sections of the heating curve illustrate this process?
Answers: 2
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