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Arte-miy333 [17]
3 years ago
8

A device that transforms stored chemical energy into electrical energy is a(n)

Physics
2 answers:
xz_007 [3.2K]3 years ago
8 0
I think c not 100% sure tho
zheka24 [161]3 years ago
4 0
The answer is c, hope that is right
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jarptica [38.1K]
I’m unsure of the answer, but it is not b.
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The motion map shows an object’s position and velocity at given times. A long black arrow right labeled x. Above that are 5 gree
MissTica

The map be changed <u>by adding vectors that are all the same length and placing them above the current top row of vectors</u>

<h3>Further explanation</h3>

A motion map represents the position, velocity, or acceleration of an object at various time readings

a small point or dot describes the position of the object. the object's velocity / acceleration is represented by an arrow / vector.

In this motion map, The arrows (vectors) are all the same length (same speed) and point in the same direction (direction to the right) for t = 0 (origin) to t = 4s

At t = 5s, the object has slowed down, and at t = 7s and 8s the object stops

At t = 9s-11 s, the object accelerates to the left

So the position of the next moving object will be above the previous movement, and the length of the same vector shows the same speed / acceleration

So that motion maps show constant acceleration after the object changes direction, it can be done by adding vectors that are all the same length and placing them above the current top row of vectors

<h3>Learn more</h3>

The initial velocity of the bird before the gust of wind

brainly.com/question/13207873

Keywords: motion map,  constant acceleration, dot, arrows, object,length, vectors, row

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3 years ago
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You have arranged that the magnetic field in a particular region of space is due North with a value of 0.0050 T. An electron ent
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Answer:

Explanation:

Magnetic field B = 5 x 10⁻³ T

Speed of electron

= ( 5.5 /100) x 3 x 10⁸

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F = Bqv

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= 5 x 10⁻³ x1.6 x 10⁻¹⁹ x 165 x 10⁵

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b )

Acceleration = force / mass of electron

= 1320 x 10⁻¹⁷ / 9.1 x 10⁻³¹

= 14.5 x 10¹⁵ m/s²

= 14.5 Pm/s²

c ) The direction of the moving electron will change but its speed will remain constant.

This is so because the magnetic  force will be acting perpendicular to the velocity of electron all the time in course of its motion.

8 0
3 years ago
An astronaut takes a tuning fork with her to the moon she strikes it inside the cabin the cabin is normally filled with air so t
Lesechka [4]

Answer:

d

Explanation:

a and b: it vibrates in both the difference is whether you hear the sound or not the lack or presence of molecules does not hinder the timing fork from vibrating but can hinder you from hearing since sound is a mechanical wave therefore require a medium bringing us to (c) these vibrations are transmitted because there is presence of a medium i.e air molecules so sound can be heard

but in (c) it is true since the vibrations are created but are not transmitted to your ears due to lack of a medium

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Which of the following statements about electromagnetic radiation it true? A.electromagnetic waves with long wavelength are more
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Answer:

Electromagnetic radiation is an electric and magnetic disturbance traveling through space at the speed of light (2.998 × 108 m/s). It contains neither mass nor charge but travels in packets of radiant energy called photons, or quanta.

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