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patriot [66]
3 years ago
10

Newton’s third law of motion describes A. action and reaction forces. B. balanced forces. C. centripetal forces. D. net force.

Physics
2 answers:
IgorC [24]3 years ago
6 0
<span>A. action and reaction forces.</span>
skelet666 [1.2K]3 years ago
5 0

The correct answer is A. Action and reaction forces

Explanation:

Isaac Newton was an important English physicist, astronomer, and mathematician mainly known in the field of physics for his tree laws related to motion. In the case of the third law, this law states every action of movement implies a reaction that is expressed as an opposite force in equal magnitude that acts against the first object that is moving, for example when you push an object there with your hand is a first force you apply to the object you are pushing, but also the object applies an opposite proportional force in your hand which shows action and reaction forces. Therefore Newton's third law of motion describes action and reaction forces.

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A bus travels 6 km east and then 8 km south. The magnitude of the bus’s resultant displacement is ___km.
Crank

Answer:

10 km

Explanation:

You can draw your problem out. You can use the pathagoran theorem to figure it out. So 6^{2} + 8^{2} and then square root the answer which will be \sqrt{100} which equals to 10.

3 0
3 years ago
PLEASE HELP!!!!!!! MT TIME FOR MY TEST IS ALMOST OVER!!!
pav-90 [236]

Answer:

50 N

Explanation:

Let the natural length of the spring = L

so

100 = k(40 - L)       (1)

200 = k(60 - L)       (2)

(2)/(1):   2 = (60 - L)/(40 - L)

60 - L = 2(40 - L)

60 - L = 80 - 2L

2L - L = 80 - 60

L = 20

Sub it into (1):

100 = k(40 - 20) = 20k

k = 100/20 = 5 N/in

Now

X = k(30 - L) = 5(30 - 20) = 50 N

3 0
2 years ago
Psi communication refers to the transfer of information through a/an ________ process.
shtirl [24]

Answer:

unknown

Explanation:

Psi communication: The term "Psi communication" was initially originated in an article named 'Mass Communication and Para-Social Interaction' during 1956 by Donald Horton, and is also denoted as "parasocial interaction". It is described as a phenomenon that involves "one-sided interaction" between people, encompassing the viewer knowing a specific celebrity well whereas the viewer himself or herself is being completely unknown for the celebrity in return.

In the question above, the given statement represents that the Psi communication is responsible for transforming via an unknown process as one of its members are considered as unknown of the transfer, so the correct answer would be "unknown process".

4 0
3 years ago
I am trying to find the magnitude of a resultant vector. Do i take inconsideration the negatives when i find the x &amp; y compo
attashe74 [19]
Absolutely !  If you have two vectors with equal magnitudes and opposite
directions, then one of them is the negative of the other.  Their correct
vector sum is zero, and that's exactly the magnitude of the resultant vector.

(Think of fifty football players pulling on each end of the rope in a tug-of-war. 
Their forces are equal in magnitude but opposite in sign, and the flag that
hangs from the middle of the rope goes nowhere, because the resultant
force on it is zero.)

This gross, messy explanation is completely applicable when you're totaling up
the x-components or the y-components.
4 0
3 years ago
Birdman is flying horizontally at a
zavuch27 [327]

Answer:

X=92.49 m

Explanation:

Given that

u= 21 m/s

h= 97 m

Time taken to cover vertical distance h

h= 1/2 g t²

By putting the values

97 = 1/2 x 10 x  t²          ( g = 10 m/s²)

t= 4.4 s

The horizontal distance

X= u .t

X= 21 x 4.4

X=92.49 m

3 0
3 years ago
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