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Papessa [141]
3 years ago
7

Which of the following is NOT one of the types of precipitation?

Physics
2 answers:
Sergio [31]3 years ago
8 0

Answer:

I think the answer is.......

d.wind

Rufina [12.5K]3 years ago
6 0

Answer:

d . ................. .........

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The lifting force, F, exerted on an airplane wing varies jointly as the area, A, of the wing's surface and the square of the pla
Mrrafil [7]

Answer:

F'=708.53 N

Explanation:

We have,

The lifting force, F, exerted on an airplane wing varies jointly as the area, A, of the wing's surface and the square of the plane's velocity, v. It means tat,

F=kAv^2

k is constant

If, A = 190 Ft², v = 220 mph, F = 950 pounds

Let's find k first from above data. So,

k=\dfrac{F}{Av^2}\\\\k=\dfrac{950}{190\times 220^2}\\\\k=0.0001033

It is required to find the lifting force on the wing if the plane slows down to 190 miles per hour. Let F' is the new force. So,

F'=0.0001033\times 190\times (190)^2\\\\F'=708.53\ \text{pounds}

So, the lifting force is 708.53 pounds if the plane slows down to 190 miles per hour.

3 0
3 years ago
A girl jumps down from a tree to the grass below. The higher her jump,_______.
olga_2 [115]

Answer:

D. The more the change in gravitational potential energy.

Explanation:

From Physics, we know that change in gravitational potential energy (\Delta U_{g}), measured in joules, is directly proportional to change in height (\Delta h), measured in meters. Then, the higher her jump, the more the change in gravitational potential energy.

We cannot speak of elastic energy, since statement of the problem does not speak of any deformable system (i.e. spring) in any form.

Therefore, the correct answer is D.

4 0
2 years ago
(a) What is the force of gravity between two 1160 kg cars separated by a distance of 35 m on an interstate highway? (b) How does
Sauron [17]

Explanation:

(a) Mass of the cars, m₁ = m₂ = 1160 kg

Distance between cars, d = 35 m

The gravitational force between two cars is given by :

F=G\dfrac{m_1m_2}{d^2}

F=6.67\times 10^{-11}\times \dfrac{(1160)^2}{(35)^2}

F=7.32\times 10^{-8}\ N

So, the force of gravity between the cars is 7.32\times 10^{-8}\ N.

(b)The weight of a car is given by :

W=mg

W=1160\times 9.8

W = 11368 N

On comparing,

\dfrac{W}{F}=\dfrac{11368}{7.32\times 10^{-8}}

\dfrac{W}{F}=1.55\times 10^{11}

W=1.55\times 10^{11}\times F

So, the weight of the car is 1.55\times 10^{11} times the force of gravitation between the cars.

7 0
3 years ago
Jenny got a balloon at a party. When she squeezes the balloon, she can squish the air inside it and change the shape of the ball
vesna_86 [32]
It is a physical change because you are not changing it chemicaly
4 0
3 years ago
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What group would an element be in if they had 2 electrons in the outer shell?
Hitman42 [59]

Flourine and chlorine

3 0
3 years ago
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