Posted by **Melissa** on Monday, June 4, 2012 at 1:09pm.

Assuming that the speed of sound at a certain altitude is 330m/s calculate the speed of an airplane that is travelling at

(A) mach 0.70

- physics -
**bobpursley**, Monday, June 4, 2012 at 4:53pm
What is .7*330m/s ?

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