Que es la aceleración , tipos y formula

1 answer:

5 0

Fórmula de la aceleración
La mecánica clásica entiende la aceleración como una variación de la velocidad de un cuerpo en el tiempo. Matemáticamente esto se escribe como: a = dv / dt, donde a es aceleración, dv la diferencia de velocidades y dt el tiempo en que ocurre la aceleración.

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How do scientists determine the number of neutrons in an isotope of an atom? A. They find the number of protons. B. They divide

Aleks04 [339]

'D' would do the job ... When you subtract the protons from the mass,
what you have left is neutrons. (The electrons can be ignored. It takes
around 1840 electrons ! to add the mass of a single proton or neutron !)

I don't know it for a fact, but I'd be surprised if the process is really that
simple. I mean, it starts out with knowing the atomic mass, and then
knowing the number of protons in the nucleus. Each of those is a
whole complex problem in itself.

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3 years ago

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Un cuerpo de 20 kg es lanzado verticalmente hacia arriba con una velocidad de 30 m/s. ¿Cuánto tiempo tardará el cuerpo en alcanz

nata0808 [166]

Answer:

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3 years ago

What is the displacement from 4 to 10 seconds? How do you know?

Strike441 [17]

For velocity vs time graphs, you can calculate displacement by finding the area between the line and the x-axis (time line). You should be able to recognize that space between the lines as a triangle, trapezoid, square, or rectangle and use the respective area formulas for these shapes.

See attached photo for worked out solution.

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3 years ago

Question 2 (1 point)

love history [14]

Answer:

neutral

Explanation:

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4 years ago

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a voltmeter and an ammeter are used to respectively monitor the voltage across the current through the resistor

dusya [7]

When a current is established in a closed conducting loop , we use ammeter. Due to this resultant potential developed detected by voltmeter.

When current flows through loop , it gets conducted.
Due to this Electric field is generated . This happens due to induced magnetic field.
The free electrons were at rest until current is there , still ammeter detects some deflection.
This deflection is due to zero current.
Due to magnetic field , current in coil changes.
Mathematically, $\alpha =-\frac{d\beta }{dt}$
The presence of conducting loop is not necessary for having electric field.