The Definition of Work is given by:
Entering the unknowns, we have:
If you notice any mistake in my english, please let me know, because i am not native.
The correct option is (c) 18,000 feet msl.
When climbing to cruising flight level the altitude should be 18,000 feet msl.
What is pressure altitude?
- When an altimeter is set to 29.92 in Hg, the stated height is called Pressure Altitude (1013 hPa in other parts of the world).
- High-altitude flight and estimations of aircraft performance are its main applications.
- "Pressure altitude compensated for nonstandard temperature fluctuations" is the formal definition of density altitude.
- All aircraft operating at altitudes more than 18,000 feet MSL must have their altimeters adjusted to 29.92 inches.
- This implies that all aircraft flying in the flight levels will always have their altimeters set to the same altitude in order to keep them apart and clear of one another.
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for this we apply, Heisenberg's uncertainty principle.
it states that physical variables like position and momentum, can never simultaneously know both variables at the same moment.
the formula is,
Δp * Δx = h/4π
m(e).Δv * Δx = h/4π
by rearranging,
Δx = h / 4π * m(e).Δv
Δx = (6.63*10^-34) / 4 * 3.142 * 9.11*10^-31 * 5.10*10^-2
Δx = 6.63*10^-34 / 583.9 X 10 ⁻³¹
Δx = 0.011 X 10⁻³
for the bullet
Δx = (6.63*10^-34) / 4 * 3.142 * 0.032*10^-31 * 5.10*10^-2
Δx = 6.63*10^-34 /2.05
Δx =3.23 X 10⁻³² m
therefore, we can say that the lower limits are 0.011 X 10⁻³ m for the electron and 3.23 X 10⁻³² m for the bullet
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Answer:
Explanation:
Impossible to say as we have no relationship between the masses of the object dropped from 2 meters as compared to the object dropped from 5 meters.
If the two masses are identical, the 5 meter drop will leave its mass with a greater kinetic energy because it has greater velocity.
mgh = ½mv²
v = √(2gh)
The kinetic energies could be identical if
m₁g(2) = m₂g(5)
m₁ = 2.5m₂
if m₁ > 2.5m₂ then m₁ will have more kinetic energy falling from 2 m than m₂ has from falling 5 m even though the higher drop distance will give that mass more velocity.