Physics, 12.12.2020 15:50 mustafajibawi1
If a sound wave travels through air at a speed of 345 m/s, what would be the frequency of a 0.80 m long wave?
276.0
343.2
345.8
431.3
Answers: 2
Physics, 22.06.2019 11:50
Two resistors r1 and r2 may be connected either in series or parallel across an ideal battery with emf ε. we desire the rate of energy dissipation of the parallel combination to be 8.75 times that of the series combination. if r1 = 105 ω, what are the (a) smaller and (b) larger of the two values of r2 that result in that dissipation rate?
Answers: 2
Physics, 22.06.2019 16:20
How does a circuit breaker protect a refrigerator? a. when the current is too high, a metal strip in the fuse melts and opens the circuit. b. when the resistance is too high , a re-settable which opens a circuit c. when the current is too high , a re-settable switch opens the circuit d. when the resistance is too high a metal strip in the fuse melts and opens the circuit
Answers: 2
Physics, 22.06.2019 22:30
Determine the net charge of the predominant form of arg at (a) ph 1.0, (b) ph 5.0, (c) ph 10.5, and (d) ph 13.5
Answers: 2
If a sound wave travels through air at a speed of 345 m/s, what would be the frequency of a 0.80 m l...
World Languages, 04.08.2019 09:00
Mathematics, 04.08.2019 09:00
Mathematics, 04.08.2019 09:00
Health, 04.08.2019 09:00
History, 04.08.2019 09:00
English, 04.08.2019 09:00
History, 04.08.2019 09:00
Chemistry, 04.08.2019 09:00