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SOVA2 [1]
3 years ago
15

Why does the amount of damage to a car depend on speed?

Physics
1 answer:
Zina [86]3 years ago
3 0

if you are going slow, there wont be much of an effect or not any damage.

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What is the definition of distance?
AnnyKZ [126]
An amount of space beteeen 2 things or people
8 0
3 years ago
An astronomical telescope has an objective of diameter 20 cm with a focal length of 180 cm. the telescope is used with an eyepie
Bingel [31]
By definition;
M = fo/fe

Where,
M = Angular magnification
fo = Focal length of objective lens
fe = Focal length of eyepiece lens

From the information given;
M = 180/30 = 6
8 0
3 years ago
Which of the following statements describes the law of inertia?
Drupady [299]

Answer:

B. objects remain in the same state of motion unless a force acts on them

Explanation:

Sana nakatulong

8 0
2 years ago
The space station is 4.41 x 10^5 kg and orbits the earth 6.78 x 10^6 m from the center of earth. The mass of earth is 5.97 x 10^
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Answer:

3 820 885 N

Explanation:

Gravitational equation

   F = G  m1 m2 / r^2    

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F = 6.6713 x 10^-11   *   4.41 x 10^5  * 5.97 x 10^24  / ( 6.78x 10^6)^2

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6 0
2 years ago
How does Lenz's Law illustrate the concept that "you can't get
Crazy boy [7]

Answer:

When there is a change in magnetic flux linkage through a loop of wire, an electromotive force is induced in the loop, according to the Faraday-Newmann-Lenz Law:

\epsilon=-\frac{N\Delta \Phi}{\Delta t}

where

N is the number of turns in the loop

\Delta \Phi is the change in magnetic flux through the loop

\Delta t is the time elapsed

The negative sign in the formula represents Lenz's Law, and tells us about the direction of the electromotive force.

In fact, the negative sign means that the direction of the induced emf is such that to oppose to the change in the magnetic flux that originated the induced emf.

This is a consequence of the law of conservation of energy: no energy can be created out of nowhere. In fact, when the emf is induced in the loop, electrical energy appears in the circuit; however, this electric energy cannot come out of nowhere. Instead, it is just "created" from the transformation of some other form of energy (for instance, the mechanical energy that is used to move the loop in the magnetic field, and changing its magnetic flux).

The negative sign in Lenz's Law tells exactly this: the direction of the induced emf is such that it opposes the initial change in magnetic flux that generated the induced emf, so that overall the total energy is conserved.

5 0
3 years ago
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