What happened to the speed of light if it travels from air into glass?
A: it’s speeds up
B:...
Physics, 24.02.2021 16:50 dyamondgeorge1oy4nex
What happened to the speed of light if it travels from air into glass?
A: it’s speeds up
B: it stays the same
C: it slows down
Answers: 3
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Asun-sized star will spend most of its lifetime as a: white dwarf red giant protostar main-sequence star
Answers: 1
Physics, 21.06.2019 21:50
Adiver in midair has an angular velocity of 6.0 rad/s and a moment of inertia of 1.2 kg·m2. he then pulls is arms and legs into a tuck position and his angular velocity increases to 12 rad/s. the net external torque acting on the diver is zero. what is his moment of inertia in the tuck position?
Answers: 1
Physics, 22.06.2019 10:00
(a) calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 10.0 g. silver has 47 electrons per atom, and its molar mass is 107.87 g/mol. (b) imagine adding electrons to the pin until the negative charge has the very large value 1.00 mc. how many electrons are added for every 109 electrons already present
Answers: 3
Physics, 22.06.2019 10:00
If a stone with an original velocity of 0 is falling from a ledgeand takes 8 seconds to hoybthe ground whays the final velocity of the stone
Answers: 2
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