Physics, 23.12.2019 15:31 genyjoannerubiera
Acelestial body orbits the sun. it consists of rock and ice. as it passes close to the sun, the body forms a long tail of dust. which body best matches the description?
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Physics, 22.06.2019 15:30
What is the increase in density of a medium due to wave travel?
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Physics, 22.06.2019 18:30
Jenny wants to test the electrical conductivity of two substances dissolved in water. she is preparing the containers for the experiment. which factor is most important for her to control? a) volumes of the solutions b) appearance of the solutions c) temperatures of the solutions d) concentrations of the solutions
Answers: 1
Physics, 22.06.2019 19:30
Complete these sentences. if a roller coaster train has a potential energy of 1,500 j and a kinetic energy of 500 j as it starts to travel downhill, its total energy isj. once the roller coaster train gets closer to the bottom of the hill, its kinetic energy increases to 1,100 j, and its potential energy decreases to j. when the train reaches the bottom of the track and is traveling along the ground, its kinetic energy isj.
Answers: 1
Physics, 22.06.2019 22:00
It takes a lot of energy to get the temperature of water to increase and eventually boil because water has a high heat.
Answers: 1
Acelestial body orbits the sun. it consists of rock and ice. as it passes close to the sun, the body...
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