Physics, 23.09.2019 20:30 milkshakegrande101
Suppose that an astronaut throws a rock in outer space at a location far from significant influences of gravity and air resistance. one would expect that the rock would a. eventually stop since all objects ultimately "lose their steam"b. eventually stop as its inertia slowly becomes used upc. continue in motion with the same speed and directiond. either a, b,c… depending on whether the astronaut continues to push it.
Answers: 2
Physics, 21.06.2019 21:20, mmaglaya1
Which of the following explains why it took so long for the public to accept the negative health effects of smoking? a)people were waiting for counter reasons, and those were presented. b)scientists had not completely finalized their results, which took 30 years. c)cigarettes were cheaply available and media channels were very inefficient. d)cigarette manufacturers were trying hard to bring an alternative into the market
Answers: 3
Physics, 22.06.2019 05:00, masie03
Red light strikes a metal surface and electrons are ejected. if violet light is now used with a 10% greater intensity, what will happen to the ejection rate (number of ejected electrons per second) and the maximum energy of the electrons? a) greater ejection rate; same maximum energyb) same ejection rate; greater maximum energyc) greater ejection rate; greater maximum energyd) same ejection rate; same maximum energye) none of the above answers are correct
Answers: 1
Physics, 22.06.2019 09:30, xxtonixwilsonxx
True or false graphs must include scales that increase by the same amount
Answers: 1
Physics, 23.06.2019 05:00, maljoh8249
Consider the phase change taking place in the picture. you could use all but one statement to describe what is happening here. that is: a) temperature is increasing. b) kinetic energy is increasing. c) the space between the particles remains the same. d) the attractive force between the particles is decreasing.
Answers: 1
Suppose that an astronaut throws a rock in outer space at a location far from significant influences...
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