Physics, 26.11.2019 16:31 iloveballet1857
What is the primary reason that astronomers put telescopes and other instruments above earth's atmosphere?
the instruments can better view the universe without the distraction of electromagnetic rays emitted by the earth.
the instruments can get closer to the objects they are observing at the extreme ends of the universe.
the atmosphere blocks or absorbs uv, gamma, and x-rays emitted by processes taking place in the universe.
the atmosphere absorbs the infrared light coming in from the sun.
Answers: 3
Physics, 21.06.2019 15:10, jessbri5150
Alightning strike consists of charge moving from a cloud to the ground . in one particular case, the electrons in a lightning strike are confined to travel within a radius of 1.5 m and to move at a speed of 5.0 x 10 m/s. if the density of electrons in the strike is 10'15 electrons/m what current is carried by the lightning ?
Answers: 1
Physics, 22.06.2019 02:30, liltay12386
Which is an example of gaining a static charge by conduction? a) rubbing a balloon against your hair. b) shuffling your shoes across a carpet. c) bringing a charged rod near an electroscope. d) touching your car on a cold day and getting a shock.
Answers: 1
Physics, 22.06.2019 05:00, hannahhoskings6989
Aperson walking 1 mile everyday for exercise, leaving her front porch at 9: 00 am and returning to her front porch at 9: 25 am. what is the total displacement of her daily walk? a) 1 mileb) 0c) 25 minutes d) none of the above
Answers: 1
What is the primary reason that astronomers put telescopes and other instruments above earth's atmos...
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