Physics, 15.02.2020 05:06 aalyssag606
A flutist assembles her flute in a room where the speed of sound is 340 m/s. When she plays the note A, it is in perfect tune with a 440 Hz tuning fork. After a few minutes, the air inside her flute has warmed to where the speed of sound is 343 m/s.
How many beats per second will she hear if she now plays the note A as the tuning fork is sounded?
Answers: 2
Physics, 21.06.2019 17:00
The density of a substance is 4.0 g/cm3. if a sample of the substance has a volume of 25 cm3 then what is the mass
Answers: 1
Physics, 21.06.2019 18:00
Awind turbine is initially spinning at a constant angular speed. as the wind's strength gradually increases, the turbine experiences a constant angular acceleration 0.173 rad/s2. after making 2870 revolutions, its angular speed is 132 rad/s. (a) what is the initial angular velocity of the turbine? (b) how much time elapses while the turbine is speeding up?
Answers: 1
Physics, 22.06.2019 11:20
More solar radiation is absorbed by earthβs surface than by
Answers: 1
Physics, 22.06.2019 12:10
Two forces produce equal torques on a door about the door hinge. the first force is applied at the midpoint of the door; the second force is applied at the doorknob. both forces are applied perpendicular to the door. which force has a greater magnitude?
Answers: 2
A flutist assembles her flute in a room where the speed of sound is 340 m/s. When she plays the note...
Mathematics, 29.08.2020 06:01
Physics, 29.08.2020 06:01
Mathematics, 29.08.2020 06:01
Mathematics, 29.08.2020 06:01
Mathematics, 29.08.2020 06:01
English, 29.08.2020 06:01