Physics, 08.07.2019 09:30 girlwholikesanime
Aboy flies a kite with the string at a 30 degree angle to the horizontal. the tension in the string is 4.5n . how much work in j does the string do on the boy if the boy stands still? how much work does the string do on the boy if the boy walks a horizontal distance of 11m away from the kite? how much work does the string do on the boy if the boy walks a horizontal distance of 11m toward the kite
Answers: 1
Physics, 22.06.2019 09:00
What changes occur in the brain during the teenage years? 25 points, someone me out!a.) thinking becomes slower as the brain grows larger. b.) connections between neurons become stronger and faster. c.) unused neurons fuse together to form larger, better functioning neurons. d.) more neurons are developed.
Answers: 2
Physics, 22.06.2019 14:20
The energy released by a nuclear fusion reaction is produced when
Answers: 1
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
Physics, 23.06.2019 00:20
Abeam of electrons moves at right angles to a magnetic field of 4.5 × 10-2 tesla. if the electrons have a velocity of 6.5 × 106 meters/second, what is the force acting on the electrons? the value of q = -1.6 × 10-19 coulombs.
Answers: 2
Aboy flies a kite with the string at a 30 degree angle to the horizontal. the tension in the string...
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