Answer:
Explanation:
When Cylinder is vertical Let gas pressure inside is
and atmospheric Pressure be

Area of Piston 
mass of Piston 
from FBD





(b)If cylinder is upside down
From FBD




Density is mass per unit volume
remember
p= m/v where v is vol, m is mass and p is density
Answer: 25 mph in residential or school districts, 55 mph on rural highways, and 70 mph on rural Interstate highways. Posted speed limits (sometimes called regulatory speed limits) are those that are sign-posted along the road and are enforceable by law.
Explanation:
Answer: No
Explanation: Once you bounce the ball it will go higher and then it will slowly come back down
The correct answer for the question that is being presented above is this one: "Schmidt-Cassegrain focus." A focal arrangement that has a thin lens that the light passes through before traveling down the tube to the objective mirror is a Schmidt-Cassegrain focus.
Here are the following choices:
a. Cassegrain focus
b. Newtonian focus
c. Schmidt-Cassegrain focus
<span>d. Schmidt focus</span>