Physics, 23.06.2019 18:20 summer5716
Regarding the history of the universe, which of the following is true? all the chemical elements were created during the big bang, but some have been modified since that time as a result of radioactive decay. the earth formed quickly after the big bang. all the current stars in our galaxy formed about the same time billions of years ago. key elements of which earth and life are made, including carbon, oxygen, and iron, did not exist when the universe was born and were created later in stars.
Answers: 1
Physics, 21.06.2019 16:00
Your pendulum clock which advances 1.0 s for every complete oscillation of the pendulum is running perfectly on earth at a site where the magnitude of the acceleration due to gravity is 9.80 m/s2. you send the clock to a location on the moon where the magnitude of the acceleration due to gravity is 1.65 m/s2.
Answers: 2
Physics, 21.06.2019 21:50
Acar travels along a highway with a velocity of 24 m/s, west. the car exits the highway; and 4.0 s later, its instantaneous velocity is 16 m/s, 45Β° north of west. what is the magnitude of the average acceleration of the car during the four-second interval?
Answers: 2
Physics, 22.06.2019 16:00
The amount of potential energy possessed by an elevated object is equal to what?
Answers: 1
Regarding the history of the universe, which of the following is true? all the chemical elements we...
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