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3 years ago

The relationship among mass force and acceleration is explained by

Physics

2 answers:

Anettt [7]3 years ago

7 0

Newton's second law of motion. F = m a .

Murljashka [212]3 years ago

6 0

Newton's Second Law Of Motion:

Force = Mass x Acceleration

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* Force, a product of mass and acceleration, is measured in Newtons. (N)
* Mass is the amount of matter an object contains. (kilograms)
* Acceleration is the increase in velocity over time, which is measured in metres per second squared. (m/s²)

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A solenoid has a radius Rs = 14.0 cm, length L = 3.50 m, and Ns = 6500 turns. The current in the solenoid decreases at the rate

babymother [125]

Answer:

E = 58.7 V/m

Explanation:

As we know that flux linked with the coil is given as

$\phi = NBA$

here we have

$A = \pi R_s^2$

$B = \mu_o N i/L$

now we have

$\phi = N(\mu_o N i/L)(\pi R_s^2)$

now the induced EMF is rate of change in magnetic flux

$EMF = \frac{d\phi}{dt} = \mu_o N^2 \pi R_s^2 \frac{di}{dt}/L$

now for induced electric field in the coil is linked with the EMF as

$\int E. dL = EMF$

$E(2\pi r_c) = \mu_o N^2 \pi R_s^2 \frac{di}{dt}/L$

$E = \frac{\mu_o N^2 R_s^2 \frac{di}{dt}}{2 r_c L}$

$E = \frac{(4\pi \times 10^{-7})(6500^2)(0.14^2)(79)}{2(0.20)(3.50)}$

$E = 58.7 V/m$

3 0

3 years ago

At the beginning of a unit on forces, Ms. Alton is leading a class discussion asking her students

VMariaS [17]

Answer:

(iv), (v), (vi) would be incorrect.

Explanation:

(iv) Force isn't transferred from one colliding object to another, but momentum can be.

(v) An object doesn't stop immediately a force stops acting on it. Think of a thrown ball.

(vi) For an object not to move, it means that the net force on the object is zero, and not necessarily that there are no forces acting on the object. For example, an object could be pushed on one side, and be pushed on the other side with an equal force in the opposite direction. The forces would cancel each other and the net force would be zero.

The rest should be correct.

6 0

3 years ago

SCIENCE HELP! ASAP :)

Vinvika [58]

I believe it's D. The centripetal force moves away from the center, but the marble stays there due to the string.

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3 years ago

What equation would you use to calculate the ideal mechanical advantage of a wheel and axle? This is Science not Physics

Lyrx [107]

you divide the radius of the wheel by the radius of the axle.

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3 years ago

Sometimes the tar of a newly paved road gets sticky on a very hot summer day. What causes this?

Ksivusya [100]

I’m pretty sure it is caused by the heat of the sun warming it up back into its original state of tar

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3 years ago