1 kpa = 7.5 mm of Hg [Remember it or can be found on internet ]
So, 275 kpa = 7.5 x 275 = 2062.5 mm of Hg
Answer:
c
Explanation:
when the weight of the object is greater than the buoyant force sinking is occurred.
Answer:
D
its wings deflect air downward, and the air pushes the plane upward.
Explanation:
According to Newtons third law of motion for every action there is an equal and opposite reaction.
the wings in the plane are designed in such way that the air flowing on the wing is deflected downwards as a result there is a lift produced on the plane due to Newtons third law of motion.