Answer:
At higher elevations, there are fewer air molecules above a given surface than a similar surface at lower levels. ... Since most of the atmosphere's molecules are held close to the earth's surface by the force of gravity, air pressure decreases rapidly at first, then more slowly at higher levels.
Explanation:
Answer:
hi apner how is ur going for the weekend on your way home
Explanation:
hi there is that something you could help me
Answer:
your answer will be 320kg that would be the pressure at the bottom surface of the block
Answer:
6.14 s
Explanation:
The time the rocket takes to reach the top is only determined from its vertical motion.
The initial vertical velocity of the rocket is:

where
u = 100 m/s is the initial speed
is the angle of launch
Now we can apply the suvat equation for an object in free-fall:

where
is the vertical velocity at time t
is the acceleration of gravity
The rocket reaches the top when

So by substituting into the equation, we find the time t at which this happens:
