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3 years ago

What would happen if the pilot did not keep the airplane "trimmed"

Physics

1 answer:

Mademuasel [1]3 years ago

3 0

Answer:

In explanation

Explanation:

Pilots who dont use trim often like the feeling of holding constant back pressure because The heavier control forces makes it more difficult to over-control the airplane inside the turn, so it gives the sense of a more stable flight

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2. An astronaut standing on a platform on the Moon drops a hammer. If the hammer falls 9.0

eduard

Answer:

Explanation:

d = do + vot + 1/2 a t^2

9 = 0 + 0 + 1/2 a ( 3)^2

9 = 4.5 a

a = 2 m/s^2

7 0

1 year ago

Determine the minimum amount of energy needed to move a satellite from its orbit around the Earth to an infinite distance from t

zmey [24]

Answer: $19.80\times 10^{10} J$

Explanation:

Given

mass of satellite $m=7.45 \times 10^3 kg$

orbital radius $R=7.50\times 10^6 m$

mass of Earth $M=5.97\times 10^{24} kg$

Minimum amount of Energy to move Satellite from its orbit to an infinite distance is sum of Potential Energy + Kinetic Energy of Satellite

$W=U+K.E.$

$U=-G\frac{Mm}{R}$

$U=-6.67\times 10^{-11}\times \frac{5.97\times 10^{24}\times 7.45 \times 10^3}{7.50\times 10^6}$

$U=-\frac{296.658\times 10^{16}}{7.5\times 10^6}$

$U=-39.55\times 10^{10} J$

$K.E.=\frac{1}{2}\times mv^2$

Where $v=orbital\ velocity$

$v=\sqrt{\frac{GM}{r}}=\sqrt{\frac{6.67\times 10^{-11}\times 5.97\times 10^{24}}{7.50\times 10^6}}$

$v^2=5.30\times 10^7 m/s$

$K.E.=\frac{1}{2}\times mv^2$

$K.E.=\frac{1}{2}\times 7.45\times 10^3\times (5.30\times 10^7)=19.74\times 10^{10} J$

$W=-39.55\times 10^{10}+19.74\times 10^{10}$

$W=-19.80\times 10^{10} J$

i.e. $19.80\times 10^{10} J$ Energy is required to provide to move Satellite out of its orbit

8 0

3 years ago

An elevator accelerates upwards at an acceleration of 2 m/s. The mass of the elevator is 3500 kg. What is the tension in the ele

yawa3891 [41]

Answer:

B) 41,335 N

Explanation:

As the elevator moves upward the formula for the calculation of tension in the cable is given by.

T-mg =ma

T=mg+ma

T=3500*9.81+3500*2

=34335+7000

T=41,335 N

7 0

3 years ago

Read 2 more answers

Hello....I need help with this question.

musickatia [10]

Answer:

3.2 m/s²

Explanation:

Acceleration can be calculated as:

v = u + at (where v is final velocity, u is initial velocity, a is acceleration and t is time)

25 m/s = 9 m/s + a(5 s) (a is unknown)

16 m/s = a(5 s)

a = 3.2 m/s²

We assume that this is a uniform acceleration (meaning that the velocity increases at an equal rate for those 5 seconds).

6 0

3 years ago

Read 2 more answers

In experimental design: What are<br> the two groups?

sp2606 [1]

Answer:

The correct answer is : a special type of experimental design where subject divides in two groups according their treatment setting.

Explanation:

A two group is a experimental design two groups are the two different groups of subjects divided by the researcher for comparing the data and result to establish relation in variables.

In normal case, one of the two groups one is a group of subjects who get treatment known as experiment or treatment group while other group is known as control group without treatment.

Thus, the correct answer is : a special type of experimental design where subject divides in two groups according their treatment setting.

7 0

3 years ago