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3 years ago

What is the only thing that can pull a beam of light towards itself ?

Physics

2 answers:

Anarel [89]3 years ago

6 0

Mirror trust me hjhgguujgffr

Elan Coil [88]3 years ago

4 0

Answer:

<h2>The only thing that can pull a beam of light towards it self is a black hole.</h2>

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A multiparous client presents to the labor and delivery area in active labor. The initial vaginal examination reveals that the c

balandron [24]

Answer:

correct answer is Precipitous vaginal delivery

Explanation:

given data

cervix dilated = 4 cm

effaced = 100%

delivery = 5 minutes later

solution

correct answer is Precipitous vaginal delivery because precipitous take delivery time less than = 3 hours

A multipara progress at rate 1.5 cm of dilation per hour

and it is progress for 10 cm for the deliver and birth averages approx 20 minute

so here correct answer is Precipitous vaginal delivery

4 0

3 years ago

Which unit of heat was originally defined in terms of the Fahrenheit temperature scale, not the Celsius scale?

Kitty [74]

Answer:

I think the answer would be British Thermal Unit

Explanation:

It equals one degree Fahrenheit and the equation for it is 1.055 × 103 joules.

8 0

3 years ago

Read 2 more answers

A baseball player hits a ball with a bat. At one moment the force exerted by the bat on the ball is 18,000 N. At that same momen

11111nata11111 [884]

Answer:

Less than 18000N

Explanation:

Given

$Force\ Exerted = 18000N$

This question will be answered using Newton's third law.

Understanding this law, it implies that reaction force is equal and opposite to the force exerted.

This implies that;

If the force exerted on the ball is 18000N

the force exerted is -18000N

So, the option that answers the question is less than 18000N because -18000N < 18000N

5 0

3 years ago

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Andrew [12]

can u translate pls

Explanation:

5 0

3 years ago

In a cyclotron, the orbital radius of protons with energy 300 keV is 16.0 cm . You are redesigning the cyclotron to be used inst

dem82 [27]

Answer:

$r_\alpha=16cm$

Explanation:

The radius of the circumference described by a particle in a cyclotron is given by:

$r=\frac{mv}{qB}(1)$

m is the particle's mass, v is the speed of the particle, q is the particle's charge and B is the magnitude of the magnetic field.

Kinetic energy is defined as:

$K=\frac{mv^2}{2}=\frac{m^2v^2}{2m}\\$

Solving this for mv:

$mv=\sqrt{2mK}(2)$

Replacing (2) in (1):

$r=\frac{\sqrt{2mK}}{qB}$

For protons, we have:

$r_p=\frac{\sqrt{2m_pK}}{eB}(3)$

For alpha particles, we have:

$r_\alpha=\frac{\sqrt{2m_\alpha K}}{(2e)B}(4)$

Dividing (4) in (3):

$\frac{r_\alpha}{r_p}=\frac{\frac{\sqrt{2m_\alpha K}}{(2e)B}}{\frac{\sqrt{2m_p K}}{(e)B}}\\r_\alpha=\frac{r_p}{2}\sqrt{\frac{m_\alpha}{m_p}}\\r_\alpha=\frac{16cm}{2}\sqrt{\frac{6.64*10^{-27}kg}{1.67*10^{-27}kg}}\\r_\alpha=\frac{16cm}{2}(\sqrt{3.98})\\\\r_\alpha=\frac{16cm}{2}(2)\\r_\alpha=16cm$

4 0

4 years ago

What is the only thing that can pull a beam of light towards itself ? ​

What is the only thing that can pull a beam of light towards itself ?