1 year ago

Is the average speed of a vehicles vector or a scalar quantity? A) vectorB) scalar

1 answer:

3 0

As the speed is a scalar quantity as it has the only magnitude in it. Therefore, the average speed is also stated as a scalar quantity.

Hence, the correct answer is (B)

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FromTheMoon [43]

Answer:

Explanation:

They looked at her hand and made a formal conclusion from that

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3 years ago

True or False: The variables in the equation 4x-(5y)2=64x-(5y)2=6 are 4, 5, and 6

Luba_88 [7]

Answer:

true

Explanation:

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3 years ago

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An electron moves at 2.80 ×106 m/s through a region in which there is a magnetic field of unspecified direction and magnitude 7.

d1i1m1o1n [39]

Answer:

$a = 3.73*10^{16}m/s^2$

Explanation:

The magnetic force is given by the equation,

$\vec{F}_{magnetic} = q (\vec{v}X\vec{B})$

$\vec{F}_{magnetic} = qvBsin\theta$

Where $\theta$ is the angle between velocity vector and the magnetic field,

That angle is 90°.

We know as well that

F=ma, replacing the mass and the acceleration in our previous equation we have

$ma = qvBsin\theta$

$a= \frac{qvBsin\theta}{m}$

Our values are,

$q= 1.6*10^{-19}c$

$v=2.8*10^6m/s$

$B=7.6*10^{-2}T$

$m=9.11*10^{-31}kg$

Substituting,

$a = \frac{(1.6*10^{-19})(2.8*10^6)(7.6*10^{-2})}{9.11*10^{-31}}$

$a = 3.73*10^{16}m/s^2$

4 0

3 years ago

I need help on this still stuck on it

jenyasd209 [6]

The underlined offset 2 is called a subscript and it describes how many of the element preceding it per molecule of the entire molecule/compound. In the case of H20, it means there are 2 Hydrogen per H20 molecule.

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3 years ago

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adelina 88 [10]

I believe that the answer would have to be B

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3 years ago

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