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3 years ago

The unit of potential is the?

Physics

1 answer:

Flura [38]3 years ago

5 0

Answer:

Explanation:

The volt (symbol of the unit of volts, V ) is the SI - unit for electric potential and electric voltage (potential difference).

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A bicycle wheel has an initial angular velocity of 1.10 rad/s . Part A If its angular acceleration is constant and equal to 0.20

MA_775_DIABLO [31]

Let $\theta$ , $\omega$ , and $\alpha$ denote the angular displacement, velocity, and acceleration of the wheel, respectively.

(A) The wheel has angular velocity at time $t$ according to

$\omega=\omega_0+\alpha t$

so that after 2.50 s, the wheel will have attained an angular velocity of

$\omega=1.10\dfrac{\rm rad}{\rm s}+\left(0.200\dfrac{\rm rad}{\mathrm s^2}\right)(2.50\,\mathrm s)=\boxed{1.60\dfrac{\rm rad}{\rm s}}$

(B) The angular displacement of the wheel is given by

$\theta=\theta_0+\omega_0t+\dfrac\alpha2t^2\implies\Delta\theta=\omega_0t+\dfrac\alpha2t^2$

After 2.50 s, the wheel will have turned an angle $\Delta\theta$ equal to

$\Delta\theta=\left(1.10\dfrac{\rm rad}{\rm s}\right)(2.50\,\mathrm s)+\dfrac12\left(0.200\dfrac{\rm ram}{\mathrm s^2}\right)(2.50\,\mathrm s)^2=\boxed{3.38\,\mathrm{rad}}$

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4 years ago

A) If the mass of the car is doubled (by adding passengers and cargo) by what factor must the

Nostrana [21]

Let Mass be m

F=ma

If its doubled then

$\\ \sf\longmapsto F=2ma$

Hence force also needs to be doubled.

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3 years ago

Can some one answer 4 for me and if u can't read it it says what can scientists learn by studying layers of rock in the Earth

ella [17]

They can learn more about Earth's history and environment. Studying rocks can also help scientists discover clues about what Earth was like millions of years ago. That can help them comprehend on our effects on the environment and its probable effects on humans.

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3 years ago

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Definition of angle of incidence

Nadusha1986 [10]

The definition of incidence is In geometric optics, the angle of incidence is the angle between a ray incident on a surface and the line perpendicular to the surface at the point of incidence, called the normal.

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3 years ago

Coil of wire called an

Wewaii [24]

Explanation:

Coil of wire called an winding.

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3 years ago

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