After your school's team wins the regional championship, students go to the dorm roof and start setting off fireworks rockets. the rockets explode high in the air and the sound travels out uniformly in all directions. if the sound intensity is 1.77 10-6 w/m2 at a distance of 261 m from the explosion, at what distance from the explosion is the sound intensity half this value?
Answers: 2
Physics, 21.06.2019 21:50
Acar travels along a highway with a velocity of 24 m/s, west. the car exits the highway; and 4.0 s later, its instantaneous velocity is 16 m/s, 45° north of west. what is the magnitude of the average acceleration of the car during the four-second interval?
Answers: 2
Physics, 22.06.2019 07:20
If 2 moles of co_2 at 2l and 500k are expanded reversibly to 20l, more work can be obtained from an adiabatic process than from an isothermal process. is the above statement true or false?
Answers: 3
Physics, 22.06.2019 10:30
J. j. thomson’s experiment disproved the theory that an atom
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Physics, 22.06.2019 12:00
This is for my 8th grade science class, i really don’t understand. can someone me? , lol.
Answers: 1
After your school's team wins the regional championship, students go to the dorm roof and start sett...
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