Question

A rocker is propelled by a gas which is intially at a temperature of 4000 K. The temperature at the
1000 K as it leaves the exhaust nozzle. The gas which will acquire the largest momentum while less we
nozzle, is
(a) Hydrogen
(b) Helium
(c) Nitrogen
(c) Agron​

Answer 1

Answer:

hydrogen

Explanation:

common sense

Answer 2

Answer:

hydrogen

Explanation:

because hydrogen