a jet aircraft reaches a speed of mach 1.3@ sea level.(t20)what speed was reached. in m/s and km/h?

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a jet aircraft reaches a speed of mach 1.3@ sea level.(t20)what speed was reached. in m/s and km/h?

i need to know this before i go to bed cause i have a test and i need to understan this

2007-11-15 13:23:53 · 2 answers · asked by diva 1 in Science & Mathematics ➔ Physics

2 answers

mach 1=340.3m/s=1225km/h at sea level
mach 1.3=442.39m/s=1592.5km/h

2007-11-15 13:53:20 · answer #1 · answered by Anonymous · 0⤊ 0⤋

"In dry air at sea level with a temperature of 21 Â°C (70 Â°F) the speed of sound is 344 m/s (1230 km/hr, . . ."

Mach 1.3 = 1.3*344 m/s = 1.3*1,230 km/hr
Mach 1.3 â 447.2 m/s â 1,599 km/hr

2007-11-15 13:58:35 · answer #2 · answered by Helmut 7 · 0⤊ 0⤋