Physics, 05.05.2021 21:00 lmolder1329
The speed of sound through the ground is about 5.12 km/s while the speed of sound in air is 343 m/s. A very powerful explosion occurs some distance away and you feel the ground vibrate 55 seconds before you hear the sound of the explosion. How far away is the explosion?
Answers: 1
Physics, 22.06.2019 02:20, Hellokittyjam35
Which changes of state do the labels represent? a: b: c:
Answers: 1
Physics, 22.06.2019 07:20, Nadi4753
Samir watches a 100-minute movie on his spaceship. maria's spaceshipe flies in the same direction as samir's spaceship but she observes his move to last 125 minutes and his spaceship to be 40 m long. how long does samir observe his own spaceship to be? according to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does marias voyage take according to samir?
Answers: 3
The speed of sound through the ground is about 5.12 km/s while the speed of sound in air is 343 m/s....
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