subject
Physics, 02.08.2019 23:10 annalisamorris0

Asource emits sound with a frequency of 16246 hz. both it and an observer are moving toward each other, each with a speed of 141 m/s. what frequency (in hz) does the observer hear?

ansver
Answers: 2

Another question on Physics

question
Physics, 22.06.2019 07:00
The table below shows the acceleration of gravity on different bodies in the solar system. on which body would a 10 kg lamp has the most gravitational potential energy when lifted to a height of 2 m? a. earth b. mars c. neptune d. uranus
Answers: 1
question
Physics, 22.06.2019 10:00
This is important 1. what happens to the speed of molecules in water vapor when it condenses to form a liquid? (2 points) the molecules slow down. the molecules speed up. the molecules slow down and then speed up. the molecules speed up and then slow down. 2. how might human activities change to compensate for a decrease in water supplies? (2 points) humans might build a factory. humans might build drainage systems. humans might extract more water from the ground. human behavior does not change because of the water cycle. i'll be grateful if anyone can answer these 2 questions !
Answers: 1
question
Physics, 22.06.2019 20:40
Ablock of mass m = 2.5 kg is attached to a spring with spring constant k = 740 n/m. it is initially at rest on an inclined plane that is at an angle of theta= 26 with respect to the horizontal, and the coefficient of kinetic friction between the block and the plane is uk = 0.17. in the initial position, where the spring is compressed by a distance of d = 0.16 m, the mass is at its lowest position and the spring is compressed the maximum amount. take the initial gravitational energy of the block as zero. the block's initial mechanical energy is 9.472 j.b. if the spring pushes the block up the incline, what distance l in meters will the block travel before coming to rest? the spring remains attached to both the block and the fixed wall throughout its motion.
Answers: 3
question
Physics, 22.06.2019 22:00
Four friends, a, b, c, and d are standing varying distances away from a speaker which is producing sound waves.
Answers: 2
You know the right answer?
Asource emits sound with a frequency of 16246 hz. both it and an observer are moving toward each oth...
Questions
question
Mathematics, 05.08.2019 22:20