Question

write true or false:
(a) siphon does not work in vacuum.

(b) Orbital velocity of a satellite is the maximum velocity required to put the satellite into a given orbit around the earth.

(c) centripetal and centrifugal forces are action and reaction.

(d) Coefficient of linear expansion depends on unit of length.​

Answer 1

Answer:

true

Explanation:

because ship is larger than vaccum