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Brums [2.3K]
2 years ago
13

A physicist hangs a 150-g object on a spring whose spring constant is a value of 13.22 Newtons/meter and has a spring force of 2

0N. How far does the spring stretch?
Physics
1 answer:
Nataly_w [17]2 years ago
4 0

Answer:

so the answer is this because the answer is that

Explanation:

and the reason why the answer is this and that is because the answer is that

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How does the structure of mitochondrial on affect its structure
anyanavicka [17]
It is itself. This question does not make sense.
7 0
3 years ago
A starship blasts past the earth at 2.0*10^8 m/s .Just after passing the earth, the starship fires a laser beam out its back of
Vilka [71]

Answer:

at the speed of light (c=3.0\cdot 10^8 m/s)

Explanation:

The second postulate of the theory of the special relativity from Einstein states that:

"The speed of light in free space has the same value c in all inertial frames of reference, where c=3.0\cdot 10^8 m/s"

This means that it doesn't matter if the observer is moving or not relative to the source of ligth: he will always observe light moving at the same speed, c.

In this problem, we have a starship emitting a laser beam (which is an electromagnetic wave, so it travels at the speed of light). The startship is moving relative to the Earth with a speed of 2.0*10^8 m/s: however, this is irrelevant for the exercise, because according to the postulate we mentioned above, an observer on Earth will observe the laser beam approaching Earth with a speed of c=3.0\cdot 10^8 m/s.

7 0
3 years ago
There is an old physics joke involving cows, and you will need to use its punchline to solve this problem
aleksandr82 [10.1K]

Answer:

The angle of deflection will be "1.07 × 10⁻⁷°".

Explanation:

The given values are:

Mass of a cow,

m = 1100 kg

Mass of bob,

mb = 1 kg

The total distance between a cow and bob will be,

d = 2 m

Let,

The tension be "t".

The angle with the verticles be "\theta".

Now,

Vertically equating forces

⇒  T\times Cos \theta =mb\times g ...(equation 1)

Horizontally equating forces

⇒  T\times Sin \theta = G\times M\times \frac{mb}{d^2} ...(equation 2)

From equation 1 and equation 2, we get

⇒  tan \thata=\frac{G\times M}{g\times d^2}

O putting the estimated values, will be

⇒  \theta = tan(\frac{6.674\times 10^{-11}\times 1100}{9.8\times 2^2} )

⇒  \theta = 1.07\times 10^{-7}^{\circ}

6 0
3 years ago
Two satellites of equal mass are orbiting the planet Mars. Satellite B is closer to Mars than Satellite A. How does the gravitat
Gnoma [55]
The object in the lower orbit will move faster in its orbit, and will have a shorter orbital period. None of that depends on their masses either.
7 0
3 years ago
¿Por qué un niño en un carrito parece caer hacía atrás cuando el carrito se le da un súbito empujón hacía delante?
NeTakaya

Answer: El tronco ejerce un igual y la fuerza opuesta hacia delante de ti, por la tercera ley de Newton .

Explanation:

7 0
3 years ago
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