Physics, 09.07.2019 05:40 donterriuscollier

Sound travels slow in cold air. why does the speed of sound depend on air temperature?

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 22.06.2019 08:00, jhanes1983

Ms. hidalgo opens the door to her classroom. her classroom is 60 degrees and the air outside is 80. predict what will happen using your knowledge of how heat flows.

Answers: 2

continue

Physics, 22.06.2019 14:10, nikki4367

Amachinist turns the power on to a grinding wheel, at rest, at time t = 0 s. the wheel accelerates uniformly for 10 s and reaches the operating angular velocity of 96 rad/s. the wheel is run at that angular velocity for 40 s and then power is shut off. the wheel slows down uniformly at 1.5 rad/s2 until the wheel stops. in this situation, the time interval of deceleration is closest to:

Answers: 3

continue

Physics, 22.06.2019 17:40, cravens511peeelg

The first-order reaction a→2b+c has rate constant 0.538 s−1. if the initial concentration of a is 0.867 mol l−1, what is the half-life of the reaction in seconds? remember to use correct significant figures in your answer (round your answer to the nearest hundredth). do not include units in your response.

Answers: 3

continue

Physics, 22.06.2019 18:30, wapattersons

What would people living along the coast in south florida do if there was a hurricane warning? move to locations away from the water flock along coasts to watch the natural phenomenon buy instruments to predict the exact location of the hurricane measure water levels to know the exact time of the hurricane