Answers: 3
Physics, 21.06.2019 19:30
Which graph best represents the relationship between the electric current and the rate at which a magnet is turning inside an electric generator?
Answers: 3
Physics, 21.06.2019 21:30
Aparticle with mass 1.81Γ10β3 kg and a charge of 1.22Γ10β8 c has, at a given instant, a velocity vβ =(3.00Γ104m/s)j^. what are the magnitude and direction of the particleβs acceleration produced by a uniform magnetic field bβ =(1.63t)i^+(0.980t)j^?
Answers: 2
Physics, 22.06.2019 01:30
Ajet plane has a sound level of 120 db at a distance of 60 m. what is the q23. sound level at a distance of 6.0 km? (60)2 (6000)? om solution 80db db, hint: 16x assume ultrasound waves travel through the body of an animal at 1540 q24. m/s. if a 30,000 hz signal were reflected off a portion of a heart which was moving toward the source at 3 m/s, what frequency signal would return to the stationary source? solution 30.117hz
Answers: 3
6. If a lever has an effort arm of 80 cm and a resistance arm of 20 cm, how much force is need to li...
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