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kykrilka [37]
4 years ago
6

While Sophia was driving to work, she tried to avoid hitting an animal and instead hit a parked car. As the car stopped, her bod

y continued to move forward at the same speed and in the same direction.
What happened to Sophia’s body in the car accident is an example of
Physics
1 answer:
Andreyy894 years ago
7 0
This would be an illustration of Newton's first law of motion. Law of inertia, an object moving at constant velocity will keep moving at constant velocity until a force is acted upon it. Inertia is the tendency of an object to keep moving in a particular direction resisting to change, unless a force acts upon the object.
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Al colocar un objeto delante de una lente convergente se genera una imagen real invertida y de doble tamaño, sabiendo que dicha
alexira [117]

Answer:

30 cm

Explanation:

To solve this problem, we use the lens equation:

\frac{1}{f}=\frac{1}{p}+\frac{1}{q}

where

f is the focal length of the lens

p is the distance of the object from the lens

q is the distance of the image from the lens

In this problem, we know that

q = -30 cm is the distance of the image from the lens; it is negative because the image is formed in front of the lens, so it is a virtual image

We also know that the size of the image is twice that of the object, so the magnification is 2:

M=-\frac{q}{p}=2

where M is the magnification of the lens. Solving this equation for p,

p=-\frac{q}{2}=-\frac{-30}{2}=15 cm

So, the distance of the object from the lens is 15 cm.

Now we can finally solve the lens equation to find f, the focal length:

\frac{1}{f}=\frac{1}{15}+\frac{1}{-30}=\frac{1}{30}\\\rightarrow f=30 cm

5 0
4 years ago
What physical quantity is a measure of the amount of inertia an object has?
allochka39001 [22]
<span>mass and only mass ................</span>
3 0
3 years ago
What is the relationship between electric and magnetic fields?
geniusboy [140]
Moving point charges, such as electrons, produce complicated but well known magnetic fields that depend on the charge, velocity, and acceleration of the particles. Magnetic field lines form in concentric circles around a cylindrical current-carrying conductor, such as a length of
3 0
3 years ago
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morpeh [17]

Jackson sells lemonade for $2 per cup. he paid $20 for supplies to sell 5 cups. What is the domain for this scenario

5 0
3 years ago
An airplane has an effective wing surface area of 19.4 m2 that is generating the lift force. In level flight the air speed over
alexgriva [62]

Answer:

W =23807.68 N

Explanation:

given,

surface area of wing = 19.4 m²

speed over top wing = 67 m/s

speed under wing = 51 m/s

density of air =  1.3 kg/m³

weight of plane

From Bernoulli's principle

P_1 + \dfrac{1}{2}\rho v_1^2 = P_2 + \dfrac{1}{2}\rho_2^2

where 1 and 2 are two different locations at the same geo potential level  

so if we call 1 the lower surface and 2 the upper surface,

we find the pressure differential, P₁ -P₂

\Delta P =\dfrac{1}{2}\rho (v_2^2-v_1^2)

\Delta P =\dfrac{1}{2}\times 1.3 \times (67^2-51^2)

\Delta P =1227.2\ N/m^2

then the force acting on the plane is

F=P A

F=1227.2 x 19.4

F =23807.68 N

weight of the plane

W =23807.68 N

7 0
3 years ago
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