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An aircraft is going at a speed of Mach ...

An aircraft is going at a speed of Mach 2 . It speed is nearly _____ km/hr

A

660

B

1080

C

1440

D

2380

Text Solution

Verified by Experts

The correct Answer is:
D
Mach 2 corresponds to twice the speed of sound. Thus , it is
`=2 xx330 m//s`
`=2xx(330xx60xx60)/(1000)` km/hr
= 2376 km/hr
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