Pablo and Hugo live on the same street. Pablo stands in front of his house and sounds an air horn and raises his arm at the same time. Hugo stands in front of his house and starts a stopwatch when he sees Pablo's arm go up. He stops it when he hears the air horn. The stopwatch shows a time of 1.2 seconds. The speed of sound is about 340 m/s. About how far apart are their houses?
Answers: 1
Other questions on the subject: Physics
Physics, 21.06.2019 18:00, justhereforanswers13
According to the law of conservation of mass, in a chemical reaction the total starting mass of all the reactants equal the total final mass of all the products. true or false?
Answers: 1
Physics, 22.06.2019 21:40, lottie2306
Engines for propeller-driven aircraft are limited in their maximum rotational speed by the fact that the tip speed of the propeller must not approach the speed of sound in air (mach i). taking 6 ft as a typical diameter for a propeller of a light airplane and 1100 fils as the speed of sound, find the upper limit on the rpm (revolutions per minute) of the propeller shaft.
Answers: 3
Physics, 23.06.2019 00:00, jazminemendezhidalgo
If water vapor with the mass of 35.0 grams is cooled and condensed into water in a closed system such as a closed glass jar, what is the mass of the water after the water vapor completely condenses? a) 34.5 grams b) 35.0 grams c) 35.5 grams d) the mass cannot be determined without knowing the volume
Answers: 2
You know the right answer?
Pablo and Hugo live on the same street. Pablo stands in front of his house and sounds an air horn an...
Questions in other subjects:
History, 10.09.2019 22:10
Mathematics, 10.09.2019 22:10
