Physics, 04.12.2020 04:40 fayvetteville
1. Why is 250 million years called a cosmic year?
a. That’s the amount of time it takes the solar system to rotate on its axis.
b. That’s the amount of time it takes the Milky Way to revolve around the Universe core.
c. That’s the amount of time it takes the Milky Way to rotate on its axis.
d. That’s the amount of time it takes the solar system to revolve around the Milky way core.
2. Why are comets icy bodies?
a. They cluster in streams.
b. They orbit the Sun between Mars and Jupiter.
c. They lose heat as they fall through Earth’s atmosphere.
d. They originate in areas beyond Neptune
Answers: 1
Physics, 22.06.2019 00:00, sydneydavis57
Jackson is designing a new heater, and he wants to experiment with different thermally conductive materials. which of these materials would be useful in conducting heat?
Answers: 1
Physics, 22.06.2019 23:20, pr47723
Acharge q experiences no net force at a particular point in space. which of the following situations described below must always be true? -there are no other charges nearby. -if there are other charges nearby, they must all have the same sign as q. -if there are other charges nearby, they must all have the opposite sign of q. -if there are other charges nearby, the total positive charge must equal the total negative charge. -none of the above
Answers: 2
1. Why is 250 million years called a cosmic year?
a. That’s the amount of time it takes the solar s...
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