Physics, 04.01.2021 02:20 nicholasryanencarnac
Two stones, one with twice the mass of the other, are thrown straight up and rise to the same height h. Compare their changes in gravitational potential energy.
a. They rise to the same height, so the stone with twice the mass has twice the change in gravitational potential energy.
b. They rise to the same height, so they have the same change in gravitational potential energy.
c. The answer depends on their speeds at height h.
Answers: 1
Physics, 21.06.2019 21:20
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 12:00
Explain what happens at the saturation point when adding salt to water at room temperature.
Answers: 3
Physics, 22.06.2019 14:40
Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?
Answers: 1
Two stones, one with twice the mass of the other, are thrown straight up and rise to the same height...
English, 10.10.2019 07:30
Mathematics, 10.10.2019 07:30
Mathematics, 10.10.2019 07:30
Mathematics, 10.10.2019 07:30
Biology, 10.10.2019 07:30
Social Studies, 10.10.2019 07:30
Mathematics, 10.10.2019 07:30
Mathematics, 10.10.2019 07:30
Chemistry, 10.10.2019 07:30
Social Studies, 10.10.2019 07:30
Mathematics, 10.10.2019 07:30
Biology, 10.10.2019 07:30