College Physics
College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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A supersonic jet flying at 20 m/s is accelerated uniformly at a rate of 23.1 m/s² for 19 seconds.
(a) What is the jet's final velocity? (b) The speed of sound is 331 m/s in air. How many times
the speed of sound is the jets final speed?
A new type of gun is being developed by engineers. The gun will be used to launch a rocket
as if they were bullets. One of the guns can give a small object a velocity of 5 km/s moving it
through only 10 cm.
a. What acceleration does the gun give this object?
meidong a
b. Over what time interval does the acceleration take place?
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Transcribed Image Text:A supersonic jet flying at 20 m/s is accelerated uniformly at a rate of 23.1 m/s² for 19 seconds. (a) What is the jet's final velocity? (b) The speed of sound is 331 m/s in air. How many times the speed of sound is the jets final speed? A new type of gun is being developed by engineers. The gun will be used to launch a rocket as if they were bullets. One of the guns can give a small object a velocity of 5 km/s moving it through only 10 cm. a. What acceleration does the gun give this object? meidong a b. Over what time interval does the acceleration take place?
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