Physics, 20.11.2020 19:30 fattypickeltoefungus
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The gravitational attraction between two books a centimeter apart is not easily noticed because
a. the distance between them is so small
b. the masses of the books are too small
c. there is air between the books
Answers: 3
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An ambulance emits a frequency of 450 hz from its siren. what frequency is heard by a man as the ambulance moves toward him? less than 450 hz more than 450 hz 450 hz 0 hz
Answers: 1
Physics, 21.06.2019 22:00
Which type of microscope would allow the viewer to see ribosomes inside a cell?
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Your science teacher brings in a speaker to talk to your class about climate change. during the session, students ask a few questions. which questions are related to the current evidence on climate change
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Physics, 22.06.2019 19:40
Currents in dc transmission lines can be 100 a or higher. some people are concerned that the electromagnetic fields from such lines near their homes could pose health dangers. for a line that has current 150 a and a height of 8.0 m above the ground, what magnetic field does the line produce at ground level? express your answer in teslas and as a percentage of the earth’s magnetic field, which is 0.50 g. is this value cause for worry?
Answers: 1
URGENT! I WILL GIVE BRAINLIST TO THE BEST AND CORRECT ANSWER!
The gravitational attraction between...
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